{"id":103579,"date":"2026-05-17T23:21:23","date_gmt":"2026-05-17T16:21:23","guid":{"rendered":"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/"},"modified":"2026-05-17T23:21:23","modified_gmt":"2026-05-17T16:21:23","slug":"cach-su-dung-may-tinh-cam-tay-2","status":"publish","type":"post","link":"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/","title":{"rendered":"C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh"},"content":{"rendered":"<p style=\"text-align: justify;\">M\u00e1y t\u00ednh c\u1ea7m tay <strong>Casio<\/strong> l\u00e0 c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u1edbi h\u1ecdc sinh, sinh vi\u00ean v\u00e0 c\u1ea3 nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng vi\u1ec7c t\u00ednh to\u00e1n chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean, ph\u1ea7n l\u1edbn ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 khai th\u00e1c m\u1ed9t ph\u1ea7n nh\u1ecf ti\u1ec1m n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb, b\u1ecf l\u1ee1 nhi\u1ec1u t\u00ednh n\u0103ng h\u1eefu \u00edch gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<p style=\"text-align: justify;\">B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh <strong>Casio<\/strong> t\u1eeb nh\u1eefng thao t\u00e1c n\u1ec1n t\u1ea3ng \u0111\u1ebfn c\u00e1c ch\u1ee9c n\u0103ng ph\u1ee9c t\u1ea1p. N\u1eafm v\u1eefng c\u00e1c k\u1ef9 n\u0103ng n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3i quy\u1ebft b\u00e0i t\u1eadp nhanh h\u01a1n m\u00e0 c\u00f2n x\u00e2y d\u1ef1ng s\u1ef1 t\u1ef1 tin trong c\u00e1c k\u1ef3 thi quan tr\u1ecdng. \u0110\u1ec3 b\u1eaft \u0111\u1ea7u, m\u1ed9t chi\u1ebfc m\u00e1y t\u00ednh ch\u00ednh h\u00e3ng l\u00e0 y\u1ebfu t\u1ed1 ti\u00ean quy\u1ebft, v\u00e0 Tiki ch\u00ednh l\u00e0 n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t tr\u1ecdn ni\u1ec1m tin.<\/p>\n<blockquote>\n<h2 style=\"text-align: justify;\"><strong>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh<\/strong><\/h2>\n<ul>\n<li style=\"text-align: justify;\">N\u1eafm v\u1eefng c\u00e1c ph\u00edm ch\u1ee9c n\u0103ng nh\u01b0 SHIFT, ALPHA, MODE \u0111\u1ec3 truy c\u1eadp t\u00ednh n\u0103ng \u1ea9n v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n hi\u1ec7u qu\u1ea3.<\/li>\n<li style=\"text-align: justify;\">T\u1eadn d\u1ee5ng b\u1ed9 nh\u1edb Ans v\u00e0 c\u00e1c bi\u1ebfn (A, B, C) \u0111\u1ec3 l\u01b0u k\u1ebft qu\u1ea3 t\u1ea1m th\u1eddi, gi\u00fap gi\u1ea3i to\u00e1n nhi\u1ec1u b\u01b0\u1edbc nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n<li style=\"text-align: justify;\">S\u1eed d\u1ee5ng ph\u00edm CALC \u0111\u1ec3 t\u00ednh gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c v\u1edbi bi\u1ebfn s\u1ed1 v\u00e0 ch\u1ee9c n\u0103ng SOLVE \u0111\u1ec3 t\u00ecm nghi\u1ec7m ph\u01b0\u01a1ng tr\u00ecnh m\u1ed9t c\u00e1ch nhanh ch\u00f3ng.<\/li>\n<li style=\"text-align: justify;\">Khai th\u00e1c c\u00e1c ch\u1ebf \u0111\u1ed9 chuy\u00ean d\u1ee5ng: EQN (gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh\/h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh), STAT (th\u1ed1ng k\u00ea), TABLE (l\u1eadp b\u1ea3ng gi\u00e1 tr\u1ecb kh\u1ea3o s\u00e1t h\u00e0m s\u1ed1).<\/li>\n<li style=\"text-align: justify;\">Lu\u00f4n s\u1eed d\u1ee5ng m\u00e1y t\u00ednh ch\u00ednh h\u00e3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi theo quy \u0111\u1ecbnh c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c.<\/li>\n<\/ul>\n<\/blockquote>\n<h2 id=\"1nntngsdngmytnhcasiothaotccbncnbit\" style=\"text-align: justify;\"><strong>1. Thao t\u00e1c c\u01a1 b\u1ea3n c\u1ea7n bi\u1ebft tr\u00ean m\u00e1y t\u00ednh Casio<\/strong><\/h2>\n<p style=\"text-align: justify;\">\u0110\u1ec3 l\u00e0m ch\u1ee7 chi\u1ebfc <a href=\"https:\/\/tiki.vn\/may-tinh-bo-tui\/c1925?brand=26150\" target=\"_blank\" rel=\"noopener\">m\u00e1y t\u00ednh Casio<\/a>, b\u1ea1n c\u1ea7n b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng thao t\u00e1c n\u1ec1n t\u1ea3ng. \u0110\u00e2y l\u00e0 nh\u1eefng k\u1ef9 n\u0103ng c\u1ed1t l\u00f5i, gi\u00fap b\u1ea1n th\u1ef1c hi\u1ec7n m\u1ecdi ph\u00e9p t\u00ednh m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c, t\u1ea1o ti\u1ec1n \u0111\u1ec1 v\u1eefng ch\u1eafc \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh n\u0103ng ph\u1ee9c t\u1ea1p h\u01a1n sau n\u00e0y.<\/p>\n<h3 id=\"11khingttmyviuchnhsngmnhnh\" style=\"text-align: justify;\"><strong>1.1. Kh\u1edfi \u0111\u1ed9ng, t\u1eaft m\u00e1y v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh<\/strong><\/h3>\n<p style=\"text-align: justify;\">Thao t\u00e1c \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 b\u1eadt v\u00e0 t\u1eaft m\u00e1y. \u0110\u1ec3 kh\u1edfi \u0111\u1ed9ng, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1ea5n ph\u00edm <strong>ON<\/strong> \u1edf g\u00f3c tr\u00ean c\u00f9ng b\u00ean ph\u1ea3i. M\u00e0n h\u00ecnh s\u1ebd s\u00e1ng l\u00ean ngay l\u1eadp t\u1ee9c, hi\u1ec3n th\u1ecb con tr\u1ecf v\u00e0 s\u1eb5n s\u00e0ng cho vi\u1ec7c nh\u1eadp li\u1ec7u. Thao t\u00e1c n\u00e0y t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u cho m\u1ecdi c\u00f4ng vi\u1ec7c t\u00ednh to\u00e1n.<\/p>\n<p style=\"text-align: justify;\">Khi kh\u00f4ng s\u1eed d\u1ee5ng, \u0111\u1ec3 ti\u1ebft ki\u1ec7m pin v\u00e0 b\u1ea3o v\u1ec7 tu\u1ed5i th\u1ecd m\u00e1y, b\u1ea1n n\u00ean t\u1eaft ngu\u1ed3n. Gi\u1eef ph\u00edm <strong>SHIFT<\/strong> (ph\u00edm ch\u1ee9c n\u0103ng ph\u1ee5 m\u00e0u v\u00e0ng) r\u1ed3i nh\u1ea5n ph\u00edm <strong>AC<\/strong> (c\u00f3 ch\u1eef OFF nh\u1ecf m\u00e0u v\u00e0ng in ph\u00eda tr\u00ean). Thao t\u00e1c n\u00e0y s\u1ebd t\u1eaft m\u00e1y ho\u00e0n to\u00e0n. Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0n h\u00ecnh b\u1eb1ng c\u00e1ch v\u00e0o <strong>SHIFT<\/strong> + <strong>MODE (SETUP)<\/strong>, ch\u1ecdn <strong>Contrast<\/strong> v\u00e0 d\u00f9ng ph\u00edm \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ec3 t\u0103ng gi\u1ea3m \u0111\u1ed9 s\u00e1ng.<\/p>\n<figure id=\"attachment_173413\" aria-describedby=\"caption-attachment-173413\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173413\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-1.jpg\" alt=\"Kh\u1edfi \u0111\u1ed9ng, t\u1eaft m\u00e1y v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173413\" class=\"wp-caption-text\">C\u00e1ch kh\u1edfi \u0111\u1ed9ng, t\u1eaft m\u00e1y v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh<\/figcaption><\/figure>\n<h3 id=\"12ccphmchcnngctli\" style=\"text-align: justify;\"><strong>1.2. C\u00e1c ph\u00edm ch\u1ee9c n\u0103ng<\/strong><\/h3>\n<p style=\"text-align: justify;\">B\u00e0n ph\u00edm c\u1ee7a m\u00e1y t\u00ednh <strong>Casio<\/strong> ch\u1ee9a nhi\u1ec1u k\u00fd hi\u1ec7u v\u00e0 ch\u1ee9c n\u0103ng \u1ea9n. Vi\u1ec7c hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a c\u00e1c ph\u00edm ch\u00ednh s\u1ebd gi\u00fap b\u1ea1n thao t\u00e1c linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n, gi\u1ed1ng nh\u01b0 vi\u1ec7c h\u1ecdc thu\u1ed9c b\u1ea3ng ch\u1eef c\u00e1i tr\u01b0\u1edbc khi h\u1ecdc gh\u00e9p v\u1ea7n.<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>ON\/C:<\/strong> Ph\u00edm n\u00e0y v\u1eeba d\u00f9ng \u0111\u1ec3 b\u1eadt m\u00e1y, v\u1eeba \u0111\u1ec3 x\u00f3a to\u00e0n b\u1ed9 ph\u00e9p t\u00ednh \u0111ang nh\u1eadp d\u1edf dang.<\/li>\n<li><strong>AC (All Clear):<\/strong> Nh\u1ea5n ph\u00edm n\u00e0y \u0111\u1ec3 x\u00f3a t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u \u0111\u00e3 nh\u1eadp v\u00e0 k\u1ebft qu\u1ea3 tr\u01b0\u1edbc \u0111\u00f3, \u0111\u01b0a m\u00e1y v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u s\u1ea1ch s\u1ebd.<\/li>\n<li><strong>DEL (Delete):<\/strong> D\u00f9ng \u0111\u1ec3 x\u00f3a k\u00fd t\u1ef1 ngay t\u1ea1i v\u1ecb tr\u00ed con tr\u1ecf. N\u1ebfu b\u1ea1n nh\u1eadp sai m\u1ed9t ch\u1eef s\u1ed1, ch\u1ec9 c\u1ea7n d\u00f9ng ph\u00edm \u0111i\u1ec1u h\u01b0\u1edbng di chuy\u1ec3n con tr\u1ecf \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u00f3 v\u00e0 nh\u1ea5n <strong>DEL<\/strong>, kh\u00f4ng c\u1ea7n x\u00f3a to\u00e0n b\u1ed9.<\/li>\n<li><strong>SHIFT:<\/strong> Ph\u00edm n\u00e0y k\u00edch ho\u1ea1t c\u00e1c ch\u1ee9c n\u0103ng m\u00e0u v\u00e0ng ho\u1eb7c cam \u0111\u01b0\u1ee3c in ph\u00eda tr\u00ean c\u00e1c ph\u00edm kh\u00e1c. V\u00ed d\u1ee5, \u0111\u1ec3 t\u1eaft m\u00e1y, b\u1ea1n nh\u1ea5n <strong>SHIFT<\/strong> r\u1ed3i <strong>AC (OFF)<\/strong>.<\/li>\n<li><strong>ALPHA:<\/strong> T\u01b0\u01a1ng t\u1ef1 <strong>SHIFT<\/strong>, ph\u00edm <strong>ALPHA<\/strong> (ph\u00edm ch\u1ee9c n\u0103ng ph\u1ee5 m\u00e0u \u0111\u1ecf) k\u00edch ho\u1ea1t c\u00e1c ch\u1ee9c n\u0103ng ho\u1eb7c bi\u1ebfn nh\u1edb m\u00e0u \u0111\u1ecf ho\u1eb7c h\u1ed3ng (nh\u01b0 A, B, C, X, Y), r\u1ea5t c\u1ea7n thi\u1ebft khi gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c g\u00e1n gi\u00e1 tr\u1ecb.<\/li>\n<li><strong>MODE\/SETUP:<\/strong> Ph\u00edm n\u00e0y l\u00e0 c\u1ed5ng v\u00e0o menu c\u00e0i \u0111\u1eb7t v\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c ch\u1ebf \u0111\u1ed9 t\u00ednh to\u00e1n kh\u00e1c nhau nh\u01b0 t\u00ednh to\u00e1n c\u01a1 b\u1ea3n (COMP), th\u1ed1ng k\u00ea (<strong>STAT mode<\/strong> \u2013 ch\u1ebf \u0111\u1ed9 th\u1ed1ng k\u00ea d\u00f9ng \u0111\u1ec3 nh\u1eadp v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u), hay gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh (<strong>EQN<\/strong> \u2013 ch\u1ebf \u0111\u1ed9 gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh).<\/li>\n<\/ul>\n<figure id=\"attachment_173414\" aria-describedby=\"caption-attachment-173414\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173414\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-2.jpg\" alt=\"C\u00e1c ph\u00edm ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173414\" class=\"wp-caption-text\">C\u00e1c ph\u00edm ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a m\u00e1y t\u00ednh<\/figcaption><\/figure>\n<h3 id=\"13nhpliuvthchin4phptnhcbn\" style=\"text-align: justify;\"><strong>1.3. Nh\u1eadp li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n 4 ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a m\u1ecdi chi\u1ebfc <a href=\"https:\/\/tiki.vn\/may-tinh-dien-tu\/c2452\" target=\"_blank\" rel=\"noopener\">m\u00e1y t\u00ednh<\/a>. B\u1ea1n ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c ph\u00edm s\u1ed1 t\u1eeb 0 \u0111\u1ebfn 9 v\u00e0 c\u00e1c ph\u00edm ph\u00e9p t\u00ednh <strong>+<\/strong> (c\u1ed9ng), <strong>&#8211;<\/strong> (tr\u1eeb), <strong>\u00d7<\/strong> (nh\u00e2n), <strong>\u00f7<\/strong> (chia) \u0111\u1ec3 nh\u1eadp bi\u1ec3u th\u1ee9c. Sau khi ho\u00e0n t\u1ea5t, nh\u1ea5n ph\u00edm <strong>=<\/strong> \u0111\u1ec3 m\u00e1y hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3.<\/p>\n<p style=\"text-align: justify;\">V\u00ed d\u1ee5, \u0111\u1ec3 t\u00ednh <code>(15 + 5) \u00d7 2<\/code>, b\u1ea1n nh\u1eadp tu\u1ea7n t\u1ef1: <strong>(<\/strong> <code>15<\/code> <strong>+<\/strong> <code>5<\/code> <strong>)<\/strong> <strong>\u00d7<\/strong> <code>2<\/code> <strong>=<\/strong>. M\u00e1y t\u00ednh s\u1ebd t\u1ef1 \u0111\u1ed9ng tu\u00e2n theo quy t\u1eafc \u01b0u ti\u00ean ph\u00e9p to\u00e1n, \u01b0u ti\u00ean c\u00e1c ph\u00e9p t\u00ednh trong ngo\u1eb7c tr\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 lu\u00f4n ch\u00ednh x\u00e1c.<\/p>\n<figure id=\"attachment_173416\" aria-describedby=\"caption-attachment-173416\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173416\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-3.jpg\" alt=\"Nh\u1eadp li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n 4 ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173416\" class=\"wp-caption-text\">C\u00e1ch nh\u1eadp li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n 4 ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n<\/figcaption><\/figure>\n<h2 id=\"2khaithccctnhnngtnhtonnngcao\" style=\"text-align: justify;\"><strong>2. Khai th\u00e1c c\u00e1c t\u00ednh n\u0103ng t\u00ednh to\u00e1n n\u00e2ng cao<\/strong><\/h2>\n<p style=\"text-align: justify;\">Sau khi \u0111\u00e3 quen thu\u1ed9c v\u1edbi c\u00e1c thao t\u00e1c c\u01a1 b\u1ea3n, h\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 nh\u1eefng ch\u1ee9c n\u0103ng m\u1ea1nh m\u1ebd h\u01a1n. \u0110\u00e2y ch\u00ednh l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n ph\u1ee9c t\u1ea1p trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<h3 id=\"21phnssthpphnvcnthc\" style=\"text-align: justify;\"><strong>2.1. Ph\u00e2n s\u1ed1, s\u1ed1 th\u1eadp ph\u00e2n v\u00e0 c\u0103n th\u1ee9c<\/strong><\/h3>\n<p style=\"text-align: justify;\">M\u00e1y t\u00ednh <strong>Casio<\/strong> cho ph\u00e9p hi\u1ec3n th\u1ecb v\u00e0 t\u00ednh to\u00e1n v\u1edbi ph\u00e2n s\u1ed1 m\u1ed9t c\u00e1ch tr\u1ef1c quan. S\u1eed d\u1ee5ng ph\u00edm c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng hai \u00f4 vu\u00f4ng \u0111en tr\u1eafng x\u1ebfp d\u1ecdc \u0111\u1ec3 nh\u1eadp ph\u00e2n s\u1ed1. V\u00ed d\u1ee5, \u0111\u1ec3 nh\u1eadp 2\/3, b\u1ea1n nh\u1ea5n ph\u00edm ph\u00e2n s\u1ed1, nh\u1eadp <code>2<\/code>, di chuy\u1ec3n con tr\u1ecf xu\u1ed1ng d\u01b0\u1edbi, r\u1ed3i nh\u1eadp <code>3<\/code>.<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i k\u1ebft qu\u1ea3 gi\u1eefa d\u1ea1ng ph\u00e2n s\u1ed1 v\u00e0 s\u1ed1 th\u1eadp ph\u00e2n, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1ea5n ph\u00edm <strong>S&lt;=&gt;D<\/strong>. Ph\u00edm n\u00e0y c\u1ef1c k\u1ef3 h\u1eefu \u00edch khi \u0111\u1ec1 b\u00e0i y\u00eau c\u1ea7u k\u1ebft qu\u1ea3 \u1edf d\u1ea1ng th\u1eadp ph\u00e2n ho\u1eb7c khi b\u1ea1n c\u1ea7n l\u00e0m tr\u00f2n s\u1ed1. \u0110\u1ed1i v\u1edbi c\u0103n th\u1ee9c, s\u1eed d\u1ee5ng ph\u00edm <strong>\u221a<\/strong> \u0111\u1ec3 t\u00ednh c\u0103n b\u1eadc hai ho\u1eb7c t\u1ed5 h\u1ee3p <strong>SHIFT<\/strong> + <strong>\u221a<\/strong> (c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng \u221b) \u0111\u1ec3 t\u00ednh c\u0103n b\u1eadc ba.<\/p>\n<figure id=\"attachment_173417\" aria-describedby=\"caption-attachment-173417\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173417\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-4.jpg\" alt=\"Ph\u00e2n s\u1ed1, s\u1ed1 th\u1eadp ph\u00e2n v\u00e0 c\u0103n th\u1ee9c\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173417\" class=\"wp-caption-text\">C\u00e1ch nh\u1eadp ph\u00e2n s\u1ed1, s\u1ed1 th\u1eadp ph\u00e2n v\u00e0 c\u0103n th\u1ee9c<\/figcaption><\/figure>\n<h3 id=\"22lythavcchmlnggic\" style=\"text-align: justify;\"><strong>2.2. L\u0169y th\u1eeba v\u00e0 c\u00e1c h\u00e0m l\u01b0\u1ee3ng gi\u00e1c<\/strong><\/h3>\n<p style=\"text-align: justify;\">C\u00e1c b\u00e0i to\u00e1n v\u1ec1 l\u0169y th\u1eeba v\u00e0 l\u01b0\u1ee3ng gi\u00e1c s\u1ebd tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n r\u1ea5t nhi\u1ec1u. S\u1eed d\u1ee5ng ph\u00edm <strong>x\u00b2<\/strong> \u0111\u1ec3 t\u00ednh b\u00ecnh ph\u01b0\u01a1ng, <strong>SHIFT<\/strong> + <strong>x\u00b2<\/strong> (c\u00f3 bi\u1ec3u t\u01b0\u1ee3ng x\u00b3) \u0111\u1ec3 t\u00ednh l\u1eadp ph\u01b0\u01a1ng, v\u00e0 ph\u00edm <strong>x^\u25a1<\/strong> (x m\u0169 \u00f4 vu\u00f4ng) \u0111\u1ec3 t\u00ednh l\u0169y th\u1eeba v\u1edbi s\u1ed1 m\u0169 b\u1ea5t k\u1ef3.<\/p>\n<p style=\"text-align: justify;\">C\u00e1c h\u00e0m l\u01b0\u1ee3ng gi\u00e1c c\u01a1 b\u1ea3n nh\u01b0 <strong>sin<\/strong>, <strong>cos<\/strong>, <strong>tan<\/strong> \u0111\u1ec1u c\u00f3 ph\u00edm ri\u00eang \u0111\u1ec3 truy c\u1eadp nhanh. M\u1ed9t l\u01b0u \u00fd quan tr\u1ecdng l\u00e0 ph\u1ea3i lu\u00f4n ki\u1ec3m tra \u0111\u01a1n v\u1ecb \u0111o g\u00f3c (\u0110\u1ed9 &#8211; D, Radian &#8211; R, ho\u1eb7c Grad &#8211; G) hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh. B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t n\u00e0y b\u1eb1ng c\u00e1ch v\u00e0o <strong>SHIFT<\/strong> + <strong>MODE (SETUP)<\/strong> v\u00e0 ch\u1ecdn m\u1ee5c <strong>Angle Unit<\/strong>.<\/p>\n<figure id=\"attachment_173418\" aria-describedby=\"caption-attachment-173418\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173418\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-5.jpg\" alt=\"L\u0169y th\u1eeba v\u00e0 c\u00e1c h\u00e0m l\u01b0\u1ee3ng gi\u00e1c\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173418\" class=\"wp-caption-text\">C\u00e1ch nh\u1eadp l\u0169y th\u1eeba v\u00e0 c\u00e1c h\u00e0m l\u01b0\u1ee3ng gi\u00e1c<\/figcaption><\/figure>\n<h3 id=\"23sdngbnhthngminhansvccbinabc\" style=\"text-align: justify;\"><strong>2.3. S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb th\u00f4ng minh: Ans v\u00e0 c\u00e1c bi\u1ebfn A, B, C<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng ti\u1ebft ki\u1ec7m th\u1eddi gian nh\u1ea5t m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi b\u1ecf qua. M\u00e1y t\u00ednh t\u1ef1 \u0111\u1ed9ng l\u01b0u k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p t\u00ednh g\u1ea7n nh\u1ea5t v\u00e0o bi\u1ebfn <strong>Ans<\/strong>. B\u1ea1n c\u00f3 th\u1ec3 g\u1ecdi l\u1ea1i k\u1ebft qu\u1ea3 n\u00e0y cho ph\u00e9p t\u00ednh ti\u1ebfp theo b\u1eb1ng c\u00e1ch nh\u1ea5n ph\u00edm <strong>Ans<\/strong>, tr\u00e1nh vi\u1ec7c ph\u1ea3i nh\u1eadp l\u1ea1i m\u1ed9t con s\u1ed1 d\u00e0i v\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n<p style=\"text-align: justify;\">Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 l\u01b0u c\u00e1c gi\u00e1 tr\u1ecb quan tr\u1ecdng v\u00e0o c\u00e1c bi\u1ebfn nh\u1edb A, B, C, D, E, F, X, Y, M. \u0110\u1ec3 g\u00e1n m\u1ed9t gi\u00e1 tr\u1ecb (v\u00ed d\u1ee5: 15) v\u00e0o bi\u1ebfn A, b\u1ea1n nh\u1eadp <code>15<\/code> <strong>SHIFT<\/strong> <strong>RCL (STO)<\/strong> <code>A<\/code>. \u0110\u1ec3 g\u1ecdi l\u1ea1i gi\u00e1 tr\u1ecb n\u00e0y sau \u0111\u00f3, ch\u1ec9 c\u1ea7n nh\u1ea5n <strong>ALPHA<\/strong> <code>A<\/code>. Vi\u1ec7c n\u00e0y gi\u00fap b\u1ea1n kh\u00f4ng c\u1ea7n nh\u1eadp l\u1ea1i nh\u1eefng con s\u1ed1 l\u1ebb ho\u1eb7c k\u1ebft qu\u1ea3 trung gian trong c\u00e1c b\u00e0i to\u00e1n nhi\u1ec1u b\u01b0\u1edbc.<\/p>\n<figure id=\"attachment_173419\" aria-describedby=\"caption-attachment-173419\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173419\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-6.jpg\" alt=\"S\u1eed d\u1ee5ng b\u1ed9 nh\u1edb th\u00f4ng minh: Ans v\u00e0 c\u00e1c bi\u1ebfn A, B, C\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173419\" class=\"wp-caption-text\">C\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb th\u00f4ng minh: Ans v\u00e0 c\u00e1c bi\u1ebfn A, B, C<\/figcaption><\/figure>\n<h3 id=\"24chcnngcalcvsolve\" style=\"text-align: justify;\"><strong>2.4. Ch\u1ee9c n\u0103ng CALC v\u00e0 SOLVE<\/strong><\/h3>\n<p style=\"text-align: justify;\">Ph\u00edm <strong>CALC<\/strong> (ph\u00edm t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb bi\u1ec3u th\u1ee9c) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u1ef1c k\u1ef3 m\u1ea1nh m\u1ebd \u0111\u1ec3 t\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed9t bi\u1ec3u th\u1ee9c t\u1ea1i c\u00e1c gi\u00e1 tr\u1ecb kh\u00e1c nhau c\u1ee7a bi\u1ebfn. B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp bi\u1ec3u th\u1ee9c c\u00f3 ch\u1ee9a bi\u1ebfn X (v\u00ed d\u1ee5: <code>2X\u00b2 + 3X - 5<\/code>), sau \u0111\u00f3 nh\u1ea5n <strong>CALC<\/strong>. M\u00e1y s\u1ebd h\u1ecfi b\u1ea1n gi\u00e1 tr\u1ecb c\u1ee7a X, b\u1ea1n nh\u1eadp s\u1ed1 v\u00e0o v\u00e0 nh\u1ea5n <strong>=<\/strong> \u0111\u1ec3 nh\u1eadn k\u1ebft qu\u1ea3 ngay l\u1eadp t\u1ee9c. T\u00ednh n\u0103ng n\u00e0y r\u1ea5t h\u1eefu \u00edch khi b\u1ea1n c\u1ea7n th\u1eed nhi\u1ec1u \u0111\u00e1p \u00e1n trong c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m.<\/p>\n<p style=\"text-align: justify;\">Ph\u00edm <strong>SOLVE<\/strong> (ch\u1ee9c n\u0103ng gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh, th\u01b0\u1eddng l\u00e0 <strong>SHIFT<\/strong> + <strong>CALC<\/strong>) gi\u00fap b\u1ea1n t\u00ecm nghi\u1ec7m g\u1ea7n \u0111\u00fang c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh b\u1ea5t k\u1ef3. B\u1ea1n nh\u1eadp ph\u01b0\u01a1ng tr\u00ecnh v\u1edbi d\u1ea5u <strong>=<\/strong> (nh\u1ea5n <strong>ALPHA<\/strong> + <strong>CALC<\/strong>), sau \u0111\u00f3 nh\u1ea5n <strong>SHIFT<\/strong> + <strong>CALC (SOLVE)<\/strong>. M\u00e1y s\u1ebd y\u00eau c\u1ea7u b\u1ea1n nh\u1eadp m\u1ed9t gi\u00e1 tr\u1ecb ban \u0111\u1ea7u \u0111\u1ec3 d\u00f2 nghi\u1ec7m (Solve for X), b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp m\u1ed9t s\u1ed1 b\u1ea5t k\u1ef3 r\u1ed3i nh\u1ea5n <strong>=<\/strong> \u0111\u1ec3 m\u00e1y t\u00ecm ra nghi\u1ec7m g\u1ea7n nh\u1ea5t v\u1edbi gi\u00e1 tr\u1ecb \u0111\u00f3.<\/p>\n<figure id=\"attachment_173421\" aria-describedby=\"caption-attachment-173421\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173421\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-7.jpg\" alt=\"Ch\u1ee9c n\u0103ng CALC v\u00e0 SOLVE\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173421\" class=\"wp-caption-text\">C\u00e1ch s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng CALC v\u00e0 SOLVE<\/figcaption><\/figure>\n<h2 id=\"3giiquytccdngtonphctptheotngch\" style=\"text-align: justify;\"><strong>3. Gi\u1ea3i quy\u1ebft c\u00e1c d\u1ea1ng to\u00e1n ph\u1ee9c t\u1ea1p theo t\u1eebng ch\u1ebf \u0111\u1ed9<\/strong><\/h2>\n<p style=\"text-align: justify;\">V\u1edbi c\u00e1c d\u00f2ng m\u00e1y t\u00ednh khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i nh\u01b0 <strong>Casio fx-580VN X<\/strong> hay <strong>Vinacal 680EX Plus<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c d\u1ea1ng to\u00e1n ph\u1ee9c t\u1ea1p trong ch\u01b0\u01a1ng tr\u00ecnh ph\u1ed5 th\u00f4ng v\u00e0 \u0111\u1ea1i h\u1ecdc m\u00e0 kh\u00f4ng t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c.<\/p>\n<h3 id=\"31cheqngiiphngtrnhvhphngtrnh\" style=\"text-align: justify;\"><strong>3.1. Ch\u1ebf \u0111\u1ed9 EQN: Gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 t\u00ednh n\u0103ng quan tr\u1ecdng trong c\u00e1c b\u00e0i ki\u1ec3m tra to\u00e1n. \u0110\u1ec3 truy c\u1eadp, b\u1ea1n nh\u1ea5n <strong>MODE<\/strong> (ho\u1eb7c <strong>MENU<\/strong> tr\u00ean c\u00e1c d\u00f2ng m\u00e1y m\u1edbi) v\u00e0 ch\u1ecdn ch\u1ebf \u0111\u1ed9 <strong>EQN<\/strong> (Equation).<\/p>\n<h4 id=\"311giiphngtrnhbchaivbcba\" style=\"text-align: justify;\"><strong>3.1.1. Gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai v\u00e0 b\u1eadc ba<\/strong><\/h4>\n<p style=\"text-align: justify;\">Trong menu EQN, ch\u1ecdn m\u1ee5c t\u01b0\u01a1ng \u1ee9ng v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai (<code>ax\u00b2 + bx + c = 0<\/code>) ho\u1eb7c b\u1eadc ba. Sau \u0111\u00f3, b\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp c\u00e1c h\u1ec7 s\u1ed1 a, b, c (v\u00e0 d n\u1ebfu l\u00e0 b\u1eadc ba) v\u00e0o m\u00e1y. Nh\u1ea5n <strong>=<\/strong> sau m\u1ed7i l\u1ea7n nh\u1eadp. M\u00e1y s\u1ebd tr\u1ea3 v\u1ec1 c\u00e1c nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh, k\u1ec3 c\u1ea3 nghi\u1ec7m ph\u1ee9c (c\u00f3 ch\u1eef &#8216;i&#8217;), gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft tr\u1ecdn v\u1eb9n m\u1ecdi tr\u01b0\u1eddng h\u1ee3p.<\/p>\n<figure id=\"attachment_173423\" aria-describedby=\"caption-attachment-173423\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173423\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-8.jpg\" alt=\"Gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai v\u00e0 b\u1eadc ba\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173423\" class=\"wp-caption-text\">C\u00e1ch gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc hai v\u00e0 b\u1eadc ba<\/figcaption><\/figure>\n<h4 id=\"312giihphngtrnhhaivban\" style=\"text-align: justify;\"><strong>3.1.2. Gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh hai v\u00e0 ba \u1ea9n<\/strong><\/h4>\n<p style=\"text-align: justify;\">T\u01b0\u01a1ng t\u1ef1, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh hai ho\u1eb7c ba \u1ea9n. M\u00e1y s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t ma tr\u1eadn \u0111\u1ec3 b\u1ea1n nh\u1eadp c\u00e1c h\u1ec7 s\u1ed1 c\u1ee7a t\u1eebng ph\u01b0\u01a1ng tr\u00ecnh. Sau khi nh\u1eadp \u0111\u1ee7, nh\u1ea5n <strong>=<\/strong> v\u00e0 m\u00e1y s\u1ebd hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c \u1ea9n x, y (v\u00e0 z n\u1ebfu c\u00f3) m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 nhanh ch\u00f3ng, ti\u1ebft ki\u1ec7m th\u1eddi gian so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p th\u1ebf ho\u1eb7c c\u1ed9ng \u0111\u1ea1i s\u1ed1.<\/p>\n<figure id=\"attachment_173424\" aria-describedby=\"caption-attachment-173424\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173424\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-9.jpg\" alt=\"Gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh hai v\u00e0 ba \u1ea9n\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173424\" class=\"wp-caption-text\">C\u00e1ch gi\u1ea3i h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh hai v\u00e0 ba \u1ea9n<\/figcaption><\/figure>\n<h3 id=\"32chstatxlbitonthngk\" style=\"text-align: justify;\"><strong>3.2. Ch\u1ebf \u0111\u1ed9 STAT: X\u1eed l\u00fd b\u00e0i to\u00e1n th\u1ed1ng k\u00ea<\/strong><\/h3>\n<p style=\"text-align: justify;\">Ch\u1ebf \u0111\u1ed9 <strong>STAT<\/strong> (Statistics &#8211; Th\u1ed1ng k\u00ea) cho ph\u00e9p b\u1ea1n nh\u1eadp m\u1ed9t b\u1ed9 d\u1eef li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh th\u1ed1ng k\u00ea ph\u1ee9c t\u1ea1p. B\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp d\u1eef li\u1ec7u m\u1ed9t bi\u1ebfn (v\u00ed d\u1ee5: \u0111i\u1ec3m s\u1ed1 c\u1ee7a m\u1ed9t l\u1edbp) ho\u1eb7c d\u1eef li\u1ec7u hai bi\u1ebfn (v\u00ed d\u1ee5: chi\u1ec1u cao v\u00e0 c\u00e2n n\u1eb7ng \u0111\u1ec3 t\u00ecm ph\u01b0\u01a1ng tr\u00ecnh h\u1ed3i quy).<\/p>\n<p style=\"text-align: justify;\">Sau khi nh\u1eadp xong d\u1eef li\u1ec7u, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ecm c\u00e1c gi\u00e1 tr\u1ecb nh\u01b0 s\u1ed1 trung b\u00ecnh (x\u0304), \u0111\u1ed9 l\u1ec7ch chu\u1ea9n (\u03c3x), ph\u01b0\u01a1ng sai (\u03c3\u00b2x), t\u1ed5ng c\u00e1c gi\u00e1 tr\u1ecb (\u03a3x) m\u00e0 kh\u00f4ng c\u1ea7n t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng t\u1eebng b\u01b0\u1edbc. \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu cho sinh vi\u00ean c\u00e1c ng\u00e0nh kinh t\u1ebf, x\u00e3 h\u1ed9i h\u1ecdc.<\/p>\n<figure id=\"attachment_173425\" aria-describedby=\"caption-attachment-173425\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173425\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-10.jpg\" alt=\"Ch\u1ebf \u0111\u1ed9 STAT: X\u1eed l\u00fd b\u00e0i to\u00e1n th\u1ed1ng k\u00ea\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173425\" class=\"wp-caption-text\">Ch\u1ebf \u0111\u1ed9 STAT c\u1ee7a m\u00e1y t\u00ednh casio<\/figcaption><\/figure>\n<h3 id=\"33chtablelpbnggitrkhosthms\" style=\"text-align: justify;\"><strong>3.3. Ch\u1ebf \u0111\u1ed9 TABLE: L\u1eadp b\u1ea3ng gi\u00e1 tr\u1ecb kh\u1ea3o s\u00e1t h\u00e0m s\u1ed1<\/strong><\/h3>\n<p style=\"text-align: justify;\">Ch\u1ebf \u0111\u1ed9 <strong>TABLE<\/strong> l\u00e0 c\u00f4ng c\u1ee5 tuy\u1ec7t v\u1eddi \u0111\u1ec3 kh\u1ea3o s\u00e1t h\u00e0m s\u1ed1, t\u00ecm gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t, nh\u1ecf nh\u1ea5t ho\u1eb7c d\u1ef1 \u0111o\u00e1n nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh. B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp h\u00e0m s\u1ed1 f(x), sau \u0111\u00f3 thi\u1ebft l\u1eadp kho\u1ea3ng gi\u00e1 tr\u1ecb c\u1ea7n x\u00e9t (Start, End) v\u00e0 b\u01b0\u1edbc nh\u1ea3y (Step). M\u00e1y s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t b\u1ea3ng g\u1ed3m hai c\u1ed9t x v\u00e0 f(x) t\u01b0\u01a1ng \u1ee9ng, gi\u00fap b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 s\u1ef1 bi\u1ebfn thi\u00ean c\u1ee7a h\u00e0m s\u1ed1.<\/p>\n<figure id=\"attachment_173426\" aria-describedby=\"caption-attachment-173426\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173426\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-11.jpg\" alt=\"Ch\u1ebf \u0111\u1ed9 TABLE: L\u1eadp b\u1ea3ng gi\u00e1 tr\u1ecb kh\u1ea3o s\u00e1t h\u00e0m s\u1ed1\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173426\" class=\"wp-caption-text\">Ch\u1ebf \u0111\u1ed9 TABLE c\u1ee7a m\u00e1y t\u00ednh Casio<\/figcaption><\/figure>\n<h3 id=\"34cctnhnngdnhchochngtrnhnngcaotchphnohmmatrn\" style=\"text-align: justify;\"><strong>3.4. C\u00e1c t\u00ednh n\u0103ng d\u00e0nh cho ch\u01b0\u01a1ng tr\u00ecnh n\u00e2ng cao: T\u00edch ph\u00e2n, \u0111\u1ea1o h\u00e0m, ma tr\u1eadn<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u1ed1i v\u1edbi sinh vi\u00ean c\u00e1c kh\u1ed1i ng\u00e0nh k\u1ef9 thu\u1eadt v\u00e0 khoa h\u1ecdc t\u1ef1 nhi\u00ean, c\u00e1c ch\u1ee9c n\u0103ng t\u00ednh t\u00edch ph\u00e2n x\u00e1c \u0111\u1ecbnh, \u0111\u1ea1o h\u00e0m t\u1ea1i m\u1ed9t \u0111i\u1ec3m, v\u00e0 c\u00e1c ph\u00e9p to\u00e1n ma tr\u1eadn (c\u1ed9ng, tr\u1eeb, nh\u00e2n, t\u00ecm \u0111\u1ecbnh th\u1ee9c) l\u00e0 v\u00f4 c\u00f9ng h\u1eefu \u00edch. C\u00e1c ch\u1ee9c n\u0103ng n\u00e0y \u0111\u1ec1u c\u00f3 ph\u00edm t\u1eaft ho\u1eb7c c\u00f3 th\u1ec3 truy c\u1eadp qua menu, gi\u00fap ki\u1ec3m tra k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<h2 id=\"4movththutsdngmytnhcasiohiuqu\" style=\"text-align: justify;\"><strong>4. M\u1eb9o v\u00e0 th\u1ee7 thu\u1eadt s\u1eed d\u1ee5ng m\u00e1y t\u00ednh Casio hi\u1ec7u qu\u1ea3<\/strong><\/h2>\n<p style=\"text-align: justify;\">N\u1eafm v\u1eefng nh\u1eefng m\u1eb9o nh\u1ecf sau s\u1ebd gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y t\u00ednh nh\u01b0 m\u1ed9t chuy\u00ean gia th\u1ef1c th\u1ee5, t\u1eadn d\u1ee5ng t\u1ed1i \u0111a kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h3 id=\"41tmcchunglnnhtgcdvbichungnhnhtlcm\" style=\"text-align: justify;\"><strong>4.1. T\u00ecm \u01b0\u1edbc chung l\u1edbn nh\u1ea5t (GCD) v\u00e0 b\u1ed9i chung nh\u1ecf nh\u1ea5t (LCM)<\/strong><\/h3>\n<p style=\"text-align: justify;\">Kh\u00f4ng c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch m\u1ed9t s\u1ed1 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 m\u1ed9t c\u00e1ch th\u1ee7 c\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm UCLN v\u00e0 BCNN c\u1ee7a hai s\u1ed1 r\u1ea5t nhanh ch\u00f3ng. Ch\u1ee9c n\u0103ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1eb1ng ph\u00edm <strong>ALPHA<\/strong>. V\u00ed d\u1ee5, \u0111\u1ec3 t\u00ecm UCLN(24, 36), b\u1ea1n nh\u1eadp <strong>ALPHA<\/strong> <strong>\u00d7 (GCD)<\/strong> <code>24<\/code> <strong>,<\/strong> <code>36<\/code> <strong>)<\/strong> <strong>=<\/strong>. T\u01b0\u01a1ng t\u1ef1 v\u1edbi BCNN (LCM) qua ph\u00edm <strong>ALPHA<\/strong> <strong>\u00f7 (LCM)<\/strong>.<\/p>\n<figure id=\"attachment_173427\" aria-describedby=\"caption-attachment-173427\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173427\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-12.jpg\" alt=\"T\u00ecm \u01b0\u1edbc chung l\u1edbn nh\u1ea5t (GCD) v\u00e0 b\u1ed9i chung nh\u1ecf nh\u1ea5t (LCM)\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173427\" class=\"wp-caption-text\">C\u00e1ch t\u00ecm \u01b0\u1edbc chung l\u1edbn nh\u1ea5t (GCD) v\u00e0 b\u1ed9i chung nh\u1ecf nh\u1ea5t (LCM)<\/figcaption><\/figure>\n<h3 id=\"42xlcclithnggpmatherrorvsyntaxerror\" style=\"text-align: justify;\"><strong>4.2. X\u1eed l\u00fd c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p: Math ERROR v\u00e0 Syntax ERROR<\/strong><\/h3>\n<p style=\"text-align: justify;\">Khi s\u1eed d\u1ee5ng, b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p m\u1ed9t s\u1ed1 th\u00f4ng b\u00e1o l\u1ed7i. &#8220;Syntax ERROR&#8221; c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n \u0111\u00e3 nh\u1eadp sai c\u00fa ph\u00e1p c\u1ee7a ph\u00e9p t\u00ednh (v\u00ed d\u1ee5: thi\u1ebfu d\u1ea5u ngo\u1eb7c). H\u00e3y ki\u1ec3m tra l\u1ea1i bi\u1ec3u th\u1ee9c \u0111\u00e3 nh\u1eadp. &#8220;Math ERROR&#8221; xu\u1ea5t hi\u1ec7n khi ph\u00e9p t\u00ednh kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n v\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc (v\u00ed d\u1ee5: chia cho 0, l\u1ea5y c\u0103n b\u1eadc hai c\u1ee7a s\u1ed1 \u00e2m). Hi\u1ec3u \u0111\u01b0\u1ee3c \u00fd ngh\u0129a c\u00e1c l\u1ed7i n\u00e0y gi\u00fap b\u1ea1n s\u1eeda sai nhanh h\u01a1n.<\/p>\n<h3 id=\"43resetmyvcitgc\" style=\"text-align: justify;\"><strong>4.3. Reset m\u00e1y v\u1ec1 c\u00e0i \u0111\u1eb7t g\u1ed1c<\/strong><\/h3>\n<p style=\"text-align: justify;\">N\u1ebfu m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n g\u1eb7p l\u1ed7i hi\u1ec3n th\u1ecb, t\u00ednh to\u00e1n sai ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng, vi\u1ec7c reset m\u00e1y th\u01b0\u1eddng s\u1ebd gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1. Nh\u1ea5n <strong>SHIFT<\/strong> <strong>9 (CLR)<\/strong>, sau \u0111\u00f3 ch\u1ecdn t\u00f9y ch\u1ecdn <strong>All<\/strong> (th\u01b0\u1eddng l\u00e0 s\u1ed1 3) v\u00e0 x\u00e1c nh\u1eadn. Thao t\u00e1c n\u00e0y s\u1ebd x\u00f3a to\u00e0n b\u1ed9 b\u1ed9 nh\u1edb v\u00e0 c\u00e0i \u0111\u1eb7t, \u0111\u01b0a m\u00e1y v\u1ec1 tr\u1ea1ng th\u00e1i xu\u1ea5t x\u01b0\u1edfng.<\/p>\n<figure id=\"attachment_173429\" aria-describedby=\"caption-attachment-173429\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173429\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-13.jpg\" alt=\"Reset m\u00e1y v\u1ec1 c\u00e0i \u0111\u1eb7t g\u1ed1c\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173429\" class=\"wp-caption-text\">C\u00e1ch reset m\u00e1y v\u1ec1 c\u00e0i \u0111\u1eb7t g\u1ed1c<\/figcaption><\/figure>\n<h3 id=\"44boqunvvsinhmyngcch\" style=\"text-align: justify;\"><strong>4.4. B\u1ea3o qu\u1ea3n v\u00e0 v\u1ec7 sinh m\u00e1y \u0111\u00fang c\u00e1ch<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u1ec3 m\u00e1y t\u00ednh lu\u00f4n b\u1ec1n \u0111\u1eb9p v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, h\u00e3y tr\u00e1nh \u0111\u1ec3 m\u00e1y \u1edf n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao, \u1ea9m \u01b0\u1edbt ho\u1eb7c b\u1ecb va \u0111\u1eadp m\u1ea1nh. S\u1eed d\u1ee5ng n\u1eafp tr\u01b0\u1ee3t \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e0n h\u00ecnh v\u00e0 b\u00e0n ph\u00edm. D\u00f9ng kh\u0103n m\u1ec1m, kh\u00f4 \u0111\u1ec3 lau s\u1ea1ch b\u1ee5i b\u1ea9n. Thay pin \u0111\u1ecbnh k\u1ef3, ngay khi m\u00e0n h\u00ecnh c\u00f3 d\u1ea5u hi\u1ec7u m\u1edd \u0111i \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng pin ch\u1ea3y n\u01b0\u1edbc l\u00e0m h\u1ecfng m\u1ea1ch \u0111i\u1ec7n t\u1eed b\u00ean trong.<\/p>\n<h2 id=\"5muamytnhcmtaychnhhngantmthictitiki\" style=\"text-align: justify;\"><strong>5. Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, an t\u00e2m thi c\u1eed t\u1ea1i Tiki<\/strong><\/h2>\n<p style=\"text-align: justify;\">Vi\u1ec7c s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o m\u00e1y t\u00ednh s\u1ebd tr\u1edf n\u00ean v\u00f4 ngh\u0129a n\u1ebfu b\u1ea1n mua ph\u1ea3i m\u1ed9t s\u1ea3n ph\u1ea9m gi\u1ea3, nh\u00e1i. Nh\u1eefng chi\u1ebfc m\u00e1y n\u00e0y kh\u00f4ng ch\u1ec9 cho k\u1ebft qu\u1ea3 sai l\u1ec7ch m\u00e0 c\u00f2n kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi, g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 \u0111\u00e1ng ti\u1ebfc.<\/p>\n<h3 id=\"51tmquantrngcavicsdngmytnhchnhhng\" style=\"text-align: justify;\"><strong>5.1. T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh ch\u00ednh h\u00e3ng<\/strong><\/h3>\n<p style=\"text-align: justify;\">M\u00e1y t\u00ednh ch\u00ednh h\u00e3ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i trong m\u1ecdi ph\u00e9p t\u00ednh, tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o v\u1ec1 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng trong c\u00e1c k\u1ef3 thi quan tr\u1ecdng nh\u01b0 T\u1ed1t nghi\u1ec7p THPT. H\u01a1n n\u1eefa, s\u1ea3n ph\u1ea9m ch\u00ednh h\u00e3ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao, b\u00e0n ph\u00edm n\u1ea3y v\u00e0 nh\u1ea1y, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t v\u00e0 l\u00e2u d\u00e0i.<\/p>\n<figure id=\"attachment_173430\" aria-describedby=\"caption-attachment-173430\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173430\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-14.jpg\" alt=\"Nh\u1eadn bi\u1ebft m\u00e1y casio ch\u00ednh h\u00e3ng b\u1eb1ng tem ch\u1ed1ng gi\u1ea3\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173430\" class=\"wp-caption-text\">Nh\u1eadn bi\u1ebft m\u00e1y ch\u00ednh h\u00e3ng b\u1eb1ng tem ch\u1ed1ng gi\u1ea3<\/figcaption><\/figure>\n<h3 id=\"52vsaotikillachnngtincy\" style=\"text-align: justify;\"><strong>5.2. V\u00ec sao Tiki l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady?<\/strong><\/h3>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/tiki.vn\/nha-sach-tiki\/c8322\" target=\"_blank\" rel=\"noopener\">Tiki<\/a> l\u00e0 \u0111\u1ecba ch\u1ec9 h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 s\u1edf h\u1eefu s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao v\u1edbi gi\u00e1 t\u1ed1t v\u00e0 s\u1ef1 an t\u00e2m tuy\u1ec7t \u0111\u1ed1i. Ch\u00fang t\u00f4i hi\u1ec3u r\u1eb1ng s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u00e1y t\u00ednh l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh trong h\u1ecdc t\u1eadp v\u00e0 thi c\u1eed, v\u00ec v\u1eady Tiki cam k\u1ebft:<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>100% H\u00e0ng ch\u00ednh h\u00e3ng:<\/strong> M\u1ecdi s\u1ea3n ph\u1ea9m \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c ngu\u1ed3n g\u1ed1c, c\u00f3 tem ch\u1ed1ng gi\u1ea3 v\u00e0 b\u1ea3o h\u00e0nh \u0111\u1ea7y \u0111\u1ee7 t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n<li><strong>An t\u00e2m khi nh\u1eadn h\u00e0ng:<\/strong> B\u1ea1n \u0111\u01b0\u1ee3c m\u1edf h\u1ed9p ki\u1ec3m tra s\u1ea3n ph\u1ea9m khi nh\u1eadn h\u00e0ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00fang m\u1eabu m\u00e3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 mong \u0111\u1ee3i.<\/li>\n<li><strong>\u0110\u1ed5i tr\u1ea3 d\u1ec5 d\u00e0ng:<\/strong> Ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 mi\u1ec5n ph\u00ed, \u0111\u00fang h\u1eb9n gi\u00fap b\u1ea1n y\u00ean t\u00e2m n\u1ebfu c\u00f3 b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<figure id=\"attachment_173431\" aria-describedby=\"caption-attachment-173431\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-173431\" src=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-15.jpg\" alt=\"Tiki l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady\" width=\"800\" height=\"600\"><figcaption id=\"caption-attachment-173431\" class=\"wp-caption-text\">Tiki l\u00e0 l\u1ef1a ch\u1ecdn mua m\u00e1y casio \u0111\u00e1ng tin c\u1eady<\/figcaption><\/figure>\n<h2 id=\"6cccuhithnggpvcchsdngmytnhcasio\" style=\"text-align: justify;\"><strong>6. C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh Casio<\/strong><\/h2>\n<h3 id=\"61mytnhcasiofx580vnxccmangvophngthikhng\" style=\"text-align: justify;\"><strong>6.1. M\u00e1y t\u00ednh Casio fx-580VN X c\u00f3 \u0111\u01b0\u1ee3c mang v\u00e0o ph\u00f2ng thi kh\u00f4ng?<\/strong><\/h3>\n<p style=\"text-align: justify;\">Theo quy \u0111\u1ecbnh c\u1ee7a B\u1ed9 Gi\u00e1o d\u1ee5c v\u00e0 \u0110\u00e0o t\u1ea1o, m\u00e1y t\u00ednh <strong>Casio fx-580VN X<\/strong> ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi T\u1ed1t nghi\u1ec7p THPT v\u00e0 c\u00e1c k\u1ef3 thi kh\u00e1c v\u00ec kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n v\u00e0 kh\u00f4ng c\u00f3 th\u1ebb nh\u1edb l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/p>\n<h3 id=\"62lmthnochuynktqutsthpphnsangphns\" style=\"text-align: justify;\"><strong>6.2. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chuy\u1ec3n k\u1ebft qu\u1ea3 t\u1eeb s\u1ed1 th\u1eadp ph\u00e2n sang ph\u00e2n s\u1ed1?<\/strong><\/h3>\n<p style=\"text-align: justify;\">B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1ea5n ph\u00edm <strong>S&lt;=&gt;D<\/strong> tr\u00ean b\u00e0n ph\u00edm. M\u1ed7i l\u1ea7n nh\u1ea5n, m\u00e1y s\u1ebd chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa c\u00e1c \u0111\u1ecbnh d\u1ea1ng hi\u1ec3n th\u1ecb nh\u01b0 s\u1ed1 th\u1eadp ph\u00e2n, ph\u00e2n s\u1ed1, ho\u1eb7c h\u1ed7n s\u1ed1 (n\u1ebfu c\u00f3 th\u1ec3).<\/p>\n<h3 id=\"63pinmytnhcasiodngcbaoluvkhinonnthay\" style=\"text-align: justify;\"><strong>6.3. Pin m\u00e1y t\u00ednh Casio d\u00f9ng \u0111\u01b0\u1ee3c bao l\u00e2u v\u00e0 khi n\u00e0o n\u00ean thay?<\/strong><\/h3>\n<p style=\"text-align: justify;\">Tu\u1ed5i th\u1ecd pin c\u1ee7a m\u00e1y t\u00ednh <strong>Casio<\/strong> th\u01b0\u1eddng k\u00e9o d\u00e0i t\u1eeb 1 \u0111\u1ebfn 2 n\u0103m, t\u00f9y thu\u1ed9c v\u00e0o t\u1ea7n su\u1ea5t s\u1eed d\u1ee5ng. B\u1ea1n n\u00ean thay pin ngay khi nh\u1eadn th\u1ea5y m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb b\u1ecb m\u1edd ho\u1eb7c c\u00e1c k\u00fd t\u1ef1 kh\u00f4ng c\u00f2n s\u1eafc n\u00e9t nh\u01b0 tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1y ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u00e1nh nguy c\u01a1 pin ch\u1ea3y g\u00e2y h\u1ecfng h\u00f3c.<\/p>\n        <div class=\"tiki-product-slider\">\n            <div class='tiki-product-slider-title'>Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng v\u1edbi gi\u00e1 \u01b0u \u0111\u00e3i t\u1ea1i Tiki:<\/div>\n            <div class=\"embla\">\n                <div class=\"embla__viewport\">\n                    <div class=\"embla__container\">            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-casio-fx-580vn-x-p3014291.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/88\/06\/8f\/79165cb73b33931e9716152dab932640.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Casio FX-580VN X\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/12\/e2\/4a\/c5226426ee9429b0050449ae5403c9cf.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Casio FX-580VN X\">M\u00e1y T\u00ednh Khoa H\u1ecdc Casio FX-580VN X<\/h4>\n                    <div class=\"product-info-price\">\n                        726.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">950.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-24%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/ts\/tka\/a8\/31\/b6\/802e2c99dcce64c67aa2648edb15dd25.png\" alt=\"\" \/>\n                <span>Giao si\u00eau t\u1ed1c 2h<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-deli-d991es-duoc-phep-mang-vao-phong-thi-p15972401.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/03\/30\/22\/431bce8d0f9503d72952cc00a51b4599.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli D991ES (\u0110\u01b0\u1ee3c Ph\u00e9p Mang V\u00e0o Ph\u00f2ng Thi)\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli D991ES (\u0110\u01b0\u1ee3c Ph\u00e9p Mang V\u00e0o Ph\u00f2ng Thi)\">M\u00e1y T\u00ednh Khoa H\u1ecdc Deli D991ES (\u0110\u01b0\u1ee3c Ph\u00e9p Mang V\u00e0o Ph\u00f2ng Thi)<\/h4>\n                    <div class=\"product-info-price\">\n                        440.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx509vn-co-hon-240-tinh-nang-p275710525.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f4\/a8\/91\/164a0cc7493753dce287aa6bbfd1f286.png\" alt=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx509VN - D\u00e0nh cho h\u1ecdc sinh c\u00f3 h\u01a1n 240 t\u00ednh n\u0103ng \u0111\u1ea1t chu\u1ea9n mang v\u00e0o ph\u00f2ng thi\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx509VN - D\u00e0nh cho h\u1ecdc sinh c\u00f3 h\u01a1n 240 t\u00ednh n\u0103ng \u0111\u1ea1t chu\u1ea9n mang v\u00e0o ph\u00f2ng thi\">M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx509VN - D\u00e0nh cho h\u1ecdc sinh c\u00f3 h\u01a1n 240 t\u00ednh n\u0103ng \u0111\u1ea1t chu\u1ea9n mang v\u00e0o ph\u00f2ng thi<\/h4>\n                    <div class=\"product-info-price\">\n                        122.600 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">154.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-20%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 20\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx799vn-p263450978.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/02\/03\/0d\/3273bb9c0ab4e7558133330a20ab19b7.png\" alt=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx799VN - M\u00e1y t\u00ednh h\u1ecdc sinh, sinh vi\u00ean, b\u1ea3o h\u00e0nh 7 n\u0103m, \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx799VN - M\u00e1y t\u00ednh h\u1ecdc sinh, sinh vi\u00ean, b\u1ea3o h\u00e0nh 7 n\u0103m, \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi\">M\u00e1y t\u00ednh khoa h\u1ecdc Thi\u00ean Long Flexio Fx799VN - M\u00e1y t\u00ednh h\u1ecdc sinh, sinh vi\u00ean, b\u1ea3o h\u00e0nh 7 n\u0103m, \u0111\u01b0\u1ee3c ph\u00e9p mang v\u00e0o ph\u00f2ng thi<\/h4>\n                    <div class=\"product-info-price\">\n                        761.800 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 20\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-deli-e1710a-p59470906.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/d8\/74\/f6\/ca48139e999b52244d20ca23288cf48e.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli E1710A\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Deli E1710A\">M\u00e1y T\u00ednh Khoa H\u1ecdc Deli E1710A<\/h4>\n                    <div class=\"product-info-price\">\n                        200.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx509vn-mau-tim-p275971039.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/fd\/cb\/d0\/7670faaa7edc4f77b7b197701a6cf615.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx509VN - M\u00e0u T\u00edm\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx509VN - M\u00e0u T\u00edm\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx509VN - M\u00e0u T\u00edm<\/h4>\n                    <div class=\"product-info-price\">\n                        127.700 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">129.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-den-mau-2-p275770209.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/74\/a7\/47\/e2b79913002ce26665b072ca0a1036db.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u \u0110en - M\u1eabu 2\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u \u0110en - M\u1eabu 2\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u \u0110en - M\u1eabu 2<\/h4>\n                    <div class=\"product-info-price\">\n                        667.300 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-3%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-thien-long-flexio-fx680vn-plus-mau-xanh-p271100543.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/3e\/35\/c8\/6834416f0439bfc446aa15bac61bf131.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Thi\u00ean Long Flexio Fx680VN Plus - M\u00e0u Xanh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Thi\u00ean Long Flexio Fx680VN Plus - M\u00e0u Xanh\">M\u00e1y T\u00ednh Khoa H\u1ecdc Thi\u00ean Long Flexio Fx680VN Plus - M\u00e0u Xanh<\/h4>\n                    <div class=\"product-info-price\">\n                        628.600 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">635.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-trang-2-p276962801.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/91\/be\/90\/5991c50f2e82e9e20b807ffef7f01670.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Tr\u1eafng 2\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Tr\u1eafng 2\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Tr\u1eafng 2<\/h4>\n                    <div class=\"product-info-price\">\n                        681.100 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-xanh-bac-ha-p275770231.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/da\/9f\/e7\/a6eb6bbe904f7b994b7d9f7ba33fd6c9.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh B\u1ea1c H\u00e0\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh B\u1ea1c H\u00e0\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh B\u1ea1c H\u00e0<\/h4>\n                    <div class=\"product-info-price\">\n                        681.100 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-xanh-duong-p275770229.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/0c\/c3\/a9\/a5ba9be9fe56894d93cd2f28ffd66ce4.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh D\u01b0\u01a1ng\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh D\u01b0\u01a1ng\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u Xanh D\u01b0\u01a1ng<\/h4>\n                    <div class=\"product-info-price\">\n                        681.100 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-mau-hong-mau-2-p275770211.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/b1\/c0\/3b\/825562b9d32036cc299f7d2dec914c41.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u H\u1ed3ng - M\u1eabu 2\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u H\u1ed3ng - M\u1eabu 2\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - M\u00e0u H\u1ed3ng - M\u1eabu 2<\/h4>\n                    <div class=\"product-info-price\">\n                        681.100 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-thien-long-fx799vn-phien-ban-2025-mau-tim-p278676582.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/eb\/46\/18\/7f732603e4aaf05e1eba6fb8f902e16d.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - Phi\u00ean B\u1ea3n 2025 - M\u00e0u T\u00edm\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - Phi\u00ean B\u1ea3n 2025 - M\u00e0u T\u00edm\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio - Thi\u00ean Long Fx799VN - Phi\u00ean B\u1ea3n 2025 - M\u00e0u T\u00edm<\/h4>\n                    <div class=\"product-info-price\">\n                        849.400 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">858.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-1%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/may-tinh-khoa-hoc-flexio-fx-799vn-mau-trang-den-hong-bac-ha-xanh-duong-p279360265.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/cc\/ce\/d0\/c1a388f1bbff9807f591b4b44b43e952.jpg\" alt=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio Fx 799VN - M\u00e0u Tr\u1eafng, \u0110en, H\u1ed3ng, B\u1ea1c H\u00e0, Xanh D\u01b0\u01a1ng\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio Fx 799VN - M\u00e0u Tr\u1eafng, \u0110en, H\u1ed3ng, B\u1ea1c H\u00e0, Xanh D\u01b0\u01a1ng\">M\u00e1y T\u00ednh Khoa H\u1ecdc Flexio Fx 799VN - M\u00e0u Tr\u1eafng, \u0110en, H\u1ed3ng, B\u1ea1c H\u00e0, Xanh D\u01b0\u01a1ng<\/h4>\n                    <div class=\"product-info-price\">\n                        619.200 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">688.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-10%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/to-den-voi-khoa-hoc-may-tinh-su-dung-may-tinh-an-toan-p146226406.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/e9\/65\/1a\/1564dcb32819cd88760b907e8b92ec16.jpg\" alt=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n\">T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n<\/h4>\n                    <div class=\"product-info-price\">\n                        39.200 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-20%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/so-tay-khoa-hoc-may-tinh-va-ma-hoa-p214753111.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/69\/21\/93\/b0ef11f6e32d1d3b7ec471be03bed28f.jpg\" alt=\"S\u1ed5 Tay Khoa H\u1ecdc M\u00e1y T\u00ednh V\u00e0 M\u00e3 H\u00f3a\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"S\u1ed5 Tay Khoa H\u1ecdc M\u00e1y T\u00ednh V\u00e0 M\u00e3 H\u00f3a\">S\u1ed5 Tay Khoa H\u1ecdc M\u00e1y T\u00ednh V\u00e0 M\u00e3 H\u00f3a<\/h4>\n                    <div class=\"product-info-price\">\n                        435.600 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">495.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-12%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/to-den-voi-khoa-hoc-may-tinh-su-dung-may-tinh-an-toan-ban-quyen-p276592875.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/dd\/41\/ec\/dc97537a738f9ebb105d987e9ecee61b.jpg\" alt=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh - S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n - B\u1ea3n Quy\u1ec1n\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh - S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n - B\u1ea3n Quy\u1ec1n\">T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh - S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n - B\u1ea3n Quy\u1ec1n<\/h4>\n                    <div class=\"product-info-price\">\n                        39.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-20%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 6, 22\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/sach-to-den-voi-khoa-hoc-may-tinh-su-dung-may-tinh-an-toan-tai-ban-p112442076.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/a7\/d6\/2e\/e074c75b7389a34d4a0605082013a16e.jpg\" alt=\"S\u00e1ch T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n (T\u00e1i B\u1ea3n)\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"S\u00e1ch T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n (T\u00e1i B\u1ea3n)\">S\u00e1ch T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: S\u1eed D\u1ee5ng M\u00e1y T\u00ednh An To\u00e0n (T\u00e1i B\u1ea3n)<\/h4>\n                    <div class=\"product-info-price\">\n                        31.900 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-35%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/ts\/tka\/a8\/31\/b6\/802e2c99dcce64c67aa2648edb15dd25.png\" alt=\"\" \/>\n                <span>Giao si\u00eau t\u1ed1c 2h<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/combo-bo-4-cuon-to-den-voi-khoa-hoc-may-tinh-p104049769.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/28\/32\/74\/30d85d11523fda6ca31514154e117dbe.jpg\" alt=\"Combo B\u1ed9 4 Cu\u1ed1n: T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/c2\/bc\/6d\/ff18cc8968e2bbb43f7ac58efbfafdff.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"Combo B\u1ed9 4 Cu\u1ed1n: T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh\">Combo B\u1ed9 4 Cu\u1ed1n: T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        144.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">196.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-27%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p200727076.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/6c\/55\/a9\/bde5ea22b120774a508e93ddb4f2f2f0.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/b2\/8d\/56\/3086efc2194320a6b83fba7530de7c78.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 20\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p212323965.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/79\/ca\/d4\/8a3268026ba20532799f8a25a91eae35.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 20\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p195443800.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/66\/ff\/95\/725e623eb01e0a4d35701368868dcd87.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        280.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                    \n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 4, 20\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/bach-khoa-thu-ve-phat-trien-ky-nang-khoa-hoc-may-tinh-p195573633.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/bc\/10\/20\/70e5788473eff1c67d600325d570abf8.jpg\" alt=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh\">B\u00e1ch Khoa Th\u01b0 V\u1ec1 Ph\u00e1t Tri\u1ec3n K\u1ef9 N\u0103ng - Khoa H\u1ecdc M\u00e1y T\u00ednh<\/h4>\n                    <div class=\"product-info-price\">\n                        252.000 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">280.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-10%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a>            <a class=\"embla__slide\" href=\"https:\/\/tiki.vn\/to-den-voi-khoa-hoc-may-tinh-may-tinh-bang-hoat-dong-nhu-the-nao-p146226429.html?utm_source=blog&utm_medium=carousel&utm_campaign=blog_article\">\n                <div class=\"product-image-container\">\n                    <img decoding=\"async\" src=\"https:\/\/salt.tikicdn.com\/cache\/280x280\/ts\/product\/f6\/cd\/af\/8a8dbee6f07581104990ee237de8c69a.jpg\" alt=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: M\u00e1y T\u00ednh B\u1ea3ng Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o\" class=\"img-thumb\" \/>\n                    <img class='product-overlay-image' src='https:\/\/salt.tikicdn.com\/ts\/upload\/f7\/9e\/83\/ab28365ea395893fe5abac88b5103444.png' alt='overlay badge' \/>\n                <\/div>\n                \n                <div class=\"product-info\">\n                    <h4 class=\"product-info-name\"title=\"T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: M\u00e1y T\u00ednh B\u1ea3ng Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o\">T\u1edb \u0110\u1ebfn V\u1edbi Khoa H\u1ecdc M\u00e1y T\u00ednh: M\u00e1y T\u00ednh B\u1ea3ng Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o<\/h4>\n                    <div class=\"product-info-price\">\n                        39.200 <sup>\u20ab<\/sup>\n                    <\/div>\n                                <div class=\"product-info-original-price\">\n                <span><span class=\"product-info-original-price-text\">49.000<\/span> <sup>\u20ab<\/sup><\/span>\n                <span class=\"product-info-original-price-rate\">-20%<\/span>\n            <\/div>\n                    \n                                <div class=\"product-info-delivery\">\n                <img decoding=\"async\" src=\"\" alt=\"\" \/>\n                <span>Giao th\u1ee9 5, 21\/05<\/span>\n            <\/div>\n                    <button class=\"td_btn td_btn_sm td_outlined_btn product-view-button\">Xem ngay<\/button>\n                <\/div>\n            <\/a><\/div>\n                <\/div>\n                        <button class=\"embla__control embla__prev\"><iconify-icon icon=\"tabler:chevron-left\"><\/iconify-icon><\/button>\n        <button class=\"embla__control embla__next\"><iconify-icon icon=\"tabler:chevron-right\"><\/iconify-icon><\/button>\n            <\/div>\n        <\/div>\n<p><strong>Xem th\u00eam<\/strong>:<\/p>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/tiki.vn\/blog\/may-tinh-casio\/\" target=\"_blank\" rel=\"noopener\">TOP s\u1ea3n ph\u1ea9m m\u00e1y t\u00ednh casio ch\u1ea5t l\u01b0\u1ee3ng, ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay<\/a><\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/tiki.vn\/blog\/review-may-tinh-casio-fx-580-vn-plus\/\" target=\"_blank\" rel=\"noopener\">Review m\u00e1y t\u00ednh Casio fx 580 vn plus, c\u00f3 n\u00ean mua m\u00e1y t\u00ednh Casio fx 580?<\/a><\/li>\n<li><a href=\"https:\/\/tiki.vn\/blog\/nhung-tro-choi-tren-may-tinh-casio\/\" target=\"_blank\" rel=\"noopener\">Nh\u1eefng tr\u00f2 ch\u01a1i tr\u00ean m\u00e1y t\u00ednh Casio: FX-580VN X, FX-880BTG<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><em>M\u00e1y t\u00ednh c\u1ea7m tay l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, v\u00e0 vi\u1ec7c \u0111\u1ea7u t\u01b0 th\u1eddi gian \u0111\u1ec3 h\u1ecdc c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n ch\u1eafc ch\u1eafn s\u1ebd mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch. H\u00e3y luy\u1ec7n t\u1eadp th\u01b0\u1eddng xuy\u00ean, v\u00e0 b\u1ea1n s\u1ebd s\u1edbm nh\u1eadn ra chi\u1ebfc m\u00e1y t\u00ednh nh\u1ecf b\u00e9 n\u00e0y l\u00e0 m\u1ed9t ng\u01b0\u1eddi b\u1ea1n \u0111\u1ed3ng h\u00e0nh \u0111\u1eafc l\u1ef1c tr\u00ean con \u0111\u01b0\u1eddng chinh ph\u1ee5c tri th\u1ee9c. Mua m\u00e1y t\u00ednh c\u1ea7m tay ch\u00ednh h\u00e3ng t\u1ea1i Tiki &#8211; gi\u00e1 t\u1ed1t, b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng, giao nhanh.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y t\u00ednh c\u1ea7m tay Casio l\u00e0 c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u1edbi h\u1ecdc sinh, sinh vi\u00ean v\u00e0 c\u1ea3 nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng vi\u1ec7c t\u00ednh to\u00e1n chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean, ph\u1ea7n l\u1edbn ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 khai th\u00e1c m\u1ed9t ph\u1ea7n nh\u1ecf ti\u1ec1m n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb, b\u1ecf l\u1ee1 nhi\u1ec1u t\u00ednh n\u0103ng h\u1eefu \u00edch gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-103579","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-review-sach"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.7 (Yoast SEO v20.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh | TIKI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh\" \/>\n<meta property=\"og:description\" content=\"M\u00e1y t\u00ednh c\u1ea7m tay Casio l\u00e0 c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u1edbi h\u1ecdc sinh, sinh vi\u00ean v\u00e0 c\u1ea3 nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng vi\u1ec7c t\u00ednh to\u00e1n chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean, ph\u1ea7n l\u1edbn ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 khai th\u00e1c m\u1ed9t ph\u1ea7n nh\u1ecf ti\u1ec1m n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb, b\u1ecf l\u1ee1 nhi\u1ec1u t\u00ednh n\u0103ng h\u1eefu \u00edch gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/\" \/>\n<meta property=\"og:site_name\" content=\"TIKI\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-17T16:21:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tiki.vn\/blog\/wp-content\/uploads\/2025\/09\/cach-su-dung-may-tinh-cam-tay-1.jpg\" \/>\n<meta name=\"author\" content=\"Nguyen Vy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguyen Vy\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"25 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/\",\"url\":\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/\",\"name\":\"C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh | TIKI\",\"isPartOf\":{\"@id\":\"https:\/\/tiki.vn\/blog\/#website\"},\"datePublished\":\"2026-05-17T16:21:23+00:00\",\"dateModified\":\"2026-05-17T16:21:23+00:00\",\"author\":{\"@id\":\"https:\/\/tiki.vn\/blog\/#\/schema\/person\/55cee1bbf6c1e221b3096d98d5c18321\"},\"breadcrumb\":{\"@id\":\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Trang ch\u1ee7\",\"item\":\"https:\/\/tiki.vn\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Review S\u1ea3n Ph\u1ea9m\",\"item\":\"https:\/\/tiki.vn\/blog\/review-san-pham\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Review S\u00e1ch Hay\",\"item\":\"https:\/\/tiki.vn\/blog\/review-san-pham\/review-sach\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/tiki.vn\/blog\/#website\",\"url\":\"https:\/\/tiki.vn\/blog\/\",\"name\":\"Tiki\",\"description\":\"T\u00ecm Ki\u1ebfm - Ti\u1ebft Ki\u1ec7m\",\"alternateName\":\"Tiki\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/tiki.vn\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/tiki.vn\/blog\/#\/schema\/person\/55cee1bbf6c1e221b3096d98d5c18321\",\"name\":\"Nguyen Vy\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/tiki.vn\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/b9c75b605a00063af4c269117451f9c040fdcccd34e9baa570bab4057940711a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/b9c75b605a00063af4c269117451f9c040fdcccd34e9baa570bab4057940711a?s=96&d=mm&r=g\",\"caption\":\"Nguyen Vy\"},\"url\":\"https:\/\/tiki.vn\/blog\/author\/vynt1811\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh | TIKI","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tiki.vn\/blog\/cach-su-dung-may-tinh-cam-tay-2\/","og_locale":"vi_VN","og_type":"article","og_title":"C\u00e1ch s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay Casio hi\u1ec7u qu\u1ea3, th\u00f4ng minh","og_description":"M\u00e1y t\u00ednh c\u1ea7m tay Casio l\u00e0 c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u1edbi h\u1ecdc sinh, sinh vi\u00ean v\u00e0 c\u1ea3 nh\u1eefng ng\u01b0\u1eddi l\u00e0m c\u00f4ng vi\u1ec7c t\u00ednh to\u00e1n chuy\u00ean nghi\u1ec7p. 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