{"id":4657,"date":"2015-09-15T12:25:32","date_gmt":"2015-09-15T12:25:32","guid":{"rendered":"http:\/\/dientoan.julia.us\/?p=4657"},"modified":"2018-06-19T11:31:46","modified_gmt":"2018-06-19T11:31:46","slug":"note-6-mathjax-symbols","status":"publish","type":"post","link":"http:\/\/www.dientoan.us\/?p=4657","title":{"rendered":"6. MathJax symbols"},"content":{"rendered":"<p>http:\/\/meta.math.stackexchange.com\/questions\/5020\/mathjax-basic-tutorial-and-quick-reference<br \/>\nhttp:\/\/www.suluclac.com\/Wiki+MathJax+Syntax<\/p>\n<li>\n<p><strong>For inline formulas, enclose the formula in <code>$...$<\/code>.  For displayed formulas, use <code>$$...$$<\/code>.<\/strong>  These render differently: <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-1-Frame\" class=\"MathJax\"><nobr><span style=\"width: 10.15em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-1\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 9.383em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(0.783em, 1000em, 2.758em, -1000em); top: -2.16em; left: 0em;\"><span id=\"MathJax-Span-2\" class=\"mrow\"><span id=\"MathJax-Span-3\" class=\"munderover\"><span style=\"display: inline-block; position: relative; width: 2.279em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.077em, 1000em, 4.448em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Size1; vertical-align: 0em;\" id=\"MathJax-Span-4\" class=\"mo\">\u2211<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.515em, 1000em, 4.205em, -1000em); top: -4.489em; left: 1.056em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-5\" class=\"mi\">n<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.356em, 1000em, 4.213em, -1000em); top: -3.727em; left: 1.056em;\"><span id=\"MathJax-Span-6\" class=\"texatom\"><span id=\"MathJax-Span-7\" class=\"mrow\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-8\" class=\"mi\">i<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-9\" class=\"mo\">=<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-10\" class=\"mn\">0<\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"padding-left: 0.167em;\" id=\"MathJax-Span-11\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 0.774em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.166em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-12\" class=\"mi\">i<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.375em; left: 0.345em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-13\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"font-family: MathJax_Main; padding-left: 0.278em;\" id=\"MathJax-Span-14\" class=\"mo\">=<\/span><span style=\"padding-left: 0.278em;\" id=\"MathJax-Span-15\" class=\"mfrac\"><span style=\"display: inline-block; position: relative; width: 4.603em; height: 0px; margin-right: 0.12em; margin-left: 0.12em;\"><span style=\"position: absolute; clip: rect(3.238em, 1000em, 4.374em, -1000em); top: -4.615em; left: 50%; margin-left: -2.242em;\"><span id=\"MathJax-Span-16\" class=\"mrow\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-17\" class=\"mo\">(<\/span><span id=\"MathJax-Span-18\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 0.727em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.515em, 1000em, 4.205em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-19\" class=\"mi\">n<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.269em; left: 0.424em;\"><span style=\"font-size: 50%; font-family: MathJax_Main;\" id=\"MathJax-Span-20\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-21\" class=\"mo\">+<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-22\" class=\"mi\">n<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-23\" class=\"mo\">)<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-24\" class=\"mo\">(<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-25\" class=\"mn\">2<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-26\" class=\"mi\">n<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-27\" class=\"mo\">+<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-28\" class=\"mn\">1<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-29\" class=\"mo\">)<\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.356em, 1000em, 4.213em, -1000em); top: -3.616em; left: 50%; margin-left: -0.177em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-30\" class=\"mn\">6<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(0.787em, 1000em, 1.235em, -1000em); top: -1.269em; left: 0em;\"><span style=\"border-left: 4.603em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.25px; vertical-align: 0em;\"><\/span><span style=\"display: inline-block; width: 0px; height: 1.049em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.16em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.866em; vertical-align: -0.512em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-1\" type=\"math\/tex\">\\sum_{i=0}^n i^2 = \\frac{(n^2+n)(2n+1)}{6}<\/script> (inline) or <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><\/p>\n<div class=\"MathJax_Display\"><span style=\"\" id=\"MathJax-Element-2-Frame\" class=\"MathJax\"><nobr><span style=\"width: 100%; display: inline-block; min-width: 22.447em;\" role=\"math\" id=\"MathJax-Span-31\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 100%; height: 0px; font-size: 108%; min-width: 22.447em;\"><span style=\"position: absolute; clip: rect(2.187em, 1000em, 5.338em, -1000em); top: -4.012em; left: 0em; width: 100%;\"><span id=\"MathJax-Span-32\" class=\"mrow\"><span style=\"min-width: 24.243em;\" id=\"MathJax-Span-33\" class=\"mtable\"><span style=\"display: inline-block; position: relative; width: 100%; height: 0px; min-width: 22.447em;\"><span style=\"display: inline-block; position: absolute; width: 11.307em; height: 0px; clip: rect(-1.826em, 1000em, 1.326em, -1000em); top: 0em; left: 50%; margin-left: -5.654em;\"><span style=\"position: absolute; clip: rect(2.187em, 1000em, 5.338em, -1000em); top: -4.012em; left: 0em;\"><span style=\"display: inline-block; position: relative; width: 11.307em; height: 0px;\"><span style=\"position: absolute; clip: rect(2.249em, 1000em, 5.401em, -1000em); top: -4.075em; left: 50%; margin-left: -5.654em;\"><span id=\"MathJax-Span-37\" class=\"mtd\"><span id=\"MathJax-Span-38\" class=\"mrow\"><span id=\"MathJax-Span-39\" class=\"munderover\"><span style=\"display: inline-block; position: relative; width: 1.444em; height: 0px;\"><span style=\"position: absolute; clip: rect(2.877em, 1000em, 4.648em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Size2; vertical-align: 0em;\" id=\"MathJax-Span-40\" class=\"mo\">\u2211<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.356em, 1000em, 4.313em, -1000em); top: -2.925em; left: 0.148em;\"><span id=\"MathJax-Span-41\" class=\"texatom\"><span id=\"MathJax-Span-42\" class=\"mrow\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-43\" class=\"mi\">i<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-44\" class=\"mo\">=<\/span><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-45\" class=\"mn\">0<\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.415em, 1000em, 4.205em, -1000em); top: -5.162em; left: 0.51em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-46\" class=\"mi\">n<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"padding-left: 0.167em;\" id=\"MathJax-Span-47\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 0.774em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.166em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-48\" class=\"mi\">i<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.425em; left: 0.345em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-49\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"font-family: MathJax_Main; padding-left: 0.278em;\" id=\"MathJax-Span-50\" class=\"mo\">=<\/span><span style=\"padding-left: 0.278em;\" id=\"MathJax-Span-51\" class=\"mfrac\"><span style=\"display: inline-block; position: relative; width: 7.349em; height: 0px; margin-right: 0.12em; margin-left: 0.12em;\"><span style=\"position: absolute; clip: rect(2.993em, 1000em, 4.448em, -1000em); top: -4.757em; left: 50%; margin-left: -3.614em;\"><span id=\"MathJax-Span-52\" class=\"mrow\"><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-53\" class=\"mo\">(<\/span><span id=\"MathJax-Span-54\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.029em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.385em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-55\" class=\"mi\">n<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.375em; left: 0.6em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-56\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"font-family: MathJax_Main; padding-left: 0.222em;\" id=\"MathJax-Span-57\" class=\"mo\">+<\/span><span style=\"font-family: MathJax_Math; font-style: italic; padding-left: 0.222em;\" id=\"MathJax-Span-58\" class=\"mi\">n<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-59\" class=\"mo\">)<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-60\" class=\"mo\">(<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-61\" class=\"mn\">2<\/span><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-62\" class=\"mi\">n<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.222em;\" id=\"MathJax-Span-63\" class=\"mo\">+<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.222em;\" id=\"MathJax-Span-64\" class=\"mn\">1<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-65\" class=\"mo\">)<\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.161em, 1000em, 4.22em, -1000em); top: -3.326em; left: 50%; margin-left: -0.25em;\"><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-66\" class=\"mn\">6<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(0.787em, 1000em, 1.235em, -1000em); top: -1.269em; left: 0em;\"><span style=\"border-left: 7.349em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.25px; vertical-align: 0em;\"><\/span><span style=\"display: inline-block; width: 0px; height: 1.049em;\"><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><span style=\"display: inline-block; position: absolute; width: 4.868em; height: 0px; clip: rect(-0.998em, 1000em, 0.373em, -1000em); top: 0em; right: 0em; margin-left: 0.8em; margin-right: 0.8em;\"><span style=\"position: absolute; clip: rect(3.077em, 1000em, 4.448em, -1000em); top: -4.075em; right: 0em;\"><span id=\"mjx-eqn-displayed\" class=\"mtd\"><span id=\"MathJax-Span-35\" class=\"mrow\"><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-36\" class=\"mtext\">(displayed)<\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 3.137em; vertical-align: -1.299em;\"><\/span><\/span><\/nobr><\/span><\/div>\n<p><script id=\"MathJax-Element-2\" type=\"math\/tex; mode=display\">\\sum_{i=0}^n i^2 = \\frac{(n^2+n)(2n+1)}{6}\\tag{displayed}<\/script><\/p>\n<\/li>\n<li>\n<p>For <strong>Greek letters<\/strong>, use <code>\\alpha<\/code>, <code>\\beta<\/code>, \u2026, <code>\\omega<\/code>: <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-3-Frame\" class=\"MathJax\"><nobr><span style=\"width: 4.283em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-67\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 3.951em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.332em, 1000em, 2.601em, -1000em); top: -2.222em; left: 0em;\"><span id=\"MathJax-Span-68\" class=\"mrow\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-69\" class=\"mi\">\u03b1<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-70\" class=\"mo\">,<\/span><span style=\"font-family: MathJax_Math; font-style: italic; padding-left: 0.167em;\" id=\"MathJax-Span-71\" class=\"mi\">\u03b2<span style=\"display: inline-block; overflow: hidden; height: 1px; width: 0.007em;\"><\/span><\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-72\" class=\"mo\">,<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.167em;\" id=\"MathJax-Span-73\" class=\"mo\">\u2026<\/span><span style=\"font-family: MathJax_Math; font-style: italic; padding-left: 0.167em;\" id=\"MathJax-Span-74\" class=\"mi\">\u03c9<\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.222em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.104em; vertical-align: -0.276em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-3\" type=\"math\/tex\">\\alpha, \\beta, \u2026 \\omega<\/script>.  For uppercase, use <code>\\Gamma<\/code>, <code>\\Delta<\/code>, \u2026, <code>\\Omega<\/code>: <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-4-Frame\" class=\"MathJax\"><nobr><span style=\"width: 5.15em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-75\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 4.753em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.259em, 1000em, 2.54em, -1000em); top: -2.16em; left: 0em;\"><span id=\"MathJax-Span-76\" class=\"mrow\"><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-77\" class=\"mi\">\u0393<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-78\" class=\"mo\">,<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.167em;\" id=\"MathJax-Span-79\" class=\"mi\">\u0394<\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-80\" class=\"mo\">,<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.167em;\" id=\"MathJax-Span-81\" class=\"mo\">\u2026<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.167em;\" id=\"MathJax-Span-82\" class=\"mo\">,<\/span><span style=\"font-family: MathJax_Main; padding-left: 0.167em;\" id=\"MathJax-Span-83\" class=\"mi\">\u03a9<\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.16em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.116em; vertical-align: -0.276em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-4\" type=\"math\/tex\">\\Gamma, \\Delta, \u2026, \\Omega<\/script>.<\/p>\n<\/li>\n<li>\n<p>For <strong>superscripts and subscripts<\/strong>, use <code>^<\/code> and <code>_<\/code>.  For example, <code>x_i^2<\/code>: <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-5-Frame\" class=\"MathJax\"><nobr><span style=\"width: 1.083em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-84\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 0.988em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.098em, 1000em, 2.595em, -1000em); top: -2.099em; left: 0em;\"><span id=\"MathJax-Span-85\" class=\"mrow\"><span id=\"MathJax-Span-86\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.001em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.385em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-87\" class=\"mi\">x<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.356em, 1000em, 4.198em, -1000em); top: -4.357em; left: 0.572em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-88\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.36em, 1000em, 4.205em, -1000em); top: -3.709em; left: 0.572em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-89\" class=\"mi\">i<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.099em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.35em; vertical-align: -0.402em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-5\" type=\"math\/tex\">x_i^2<\/script>.<\/p>\n<\/li>\n<li>\n<p><strong>Groups<\/strong>. Superscripts, subscripts, and other<br \/>\noperations apply only to the next \u201cgroup\u201d. A \u201cgroup\u201d is either a single<br \/>\nsymbol, or any formula surrounded by curly braces <code>{<\/code>\u2026<code>}<\/code>.  If you do <code>10^10<\/code>, you will get a surprise: <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-6-Frame\" class=\"MathJax\"><nobr><span style=\"width: 2.083em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-90\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 1.914em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.111em, 1000em, 2.368em, -1000em); top: -2.16em; left: 0em;\"><span id=\"MathJax-Span-91\" class=\"mrow\"><span id=\"MathJax-Span-92\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.429em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.161em, 1000em, 4.22em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-93\" class=\"mn\">10<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.405em; left: 1em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-94\" class=\"mn\">1<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-95\" class=\"mn\">0<\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.16em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.09em; vertical-align: -0.09em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-6\" type=\"math\/tex\">10^10<\/script>. But <code>10^{10}<\/code> gives what you probably wanted: <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-7-Frame\" class=\"MathJax\"><nobr><span style=\"width: 1.95em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-96\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 1.79em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.05em, 1000em, 2.306em, -1000em); top: -2.099em; left: 0em;\"><span id=\"MathJax-Span-97\" class=\"mrow\"><span id=\"MathJax-Span-98\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.782em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.161em, 1000em, 4.22em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Main;\" id=\"MathJax-Span-99\" class=\"mn\">10<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.405em; left: 1em;\"><span id=\"MathJax-Span-100\" class=\"texatom\"><span id=\"MathJax-Span-101\" class=\"mrow\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-102\" class=\"mn\">10<\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.099em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.09em; vertical-align: -0.09em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-7\" type=\"math\/tex\">10^{10}<\/script>. Use curly braces to delimit a formula to which a superscript or subscript applies: <code>x^5^6<\/code> is an error;  <code>{x^y}^z<\/code> is <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-8-Frame\" class=\"MathJax\"><nobr><span style=\"width: 1.55em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-103\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 1.42em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.199em, 1000em, 2.295em, -1000em); top: -2.099em; left: 0em;\"><span id=\"MathJax-Span-104\" class=\"mrow\"><span id=\"MathJax-Span-105\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.404em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.152em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span id=\"MathJax-Span-106\" class=\"texatom\"><span id=\"MathJax-Span-107\" class=\"mrow\"><span id=\"MathJax-Span-108\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 0.998em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.385em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-109\" class=\"mi\">x<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.375em; left: 0.572em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-110\" class=\"mi\">y<span style=\"display: inline-block; overflow: hidden; height: 1px; width: 0.004em;\"><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.415em; left: 0.998em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-111\" class=\"mi\">z<span style=\"display: inline-block; overflow: hidden; height: 1px; width: 0.002em;\"><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.099em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 0.917em; vertical-align: -0.079em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-8\" type=\"math\/tex\">{x^y}^z<\/script>, and <code>x^{y^z}<\/code> is <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-9-Frame\" class=\"MathJax\"><nobr><span style=\"width: 1.483em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-112\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 1.358em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.073em, 1000em, 2.295em, -1000em); top: -2.099em; left: 0em;\"><span id=\"MathJax-Span-113\" class=\"mrow\"><span id=\"MathJax-Span-114\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.336em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.385em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-115\" class=\"mi\">x<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.375em; left: 0.572em;\"><span id=\"MathJax-Span-116\" class=\"texatom\"><span id=\"MathJax-Span-117\" class=\"mrow\"><span id=\"MathJax-Span-118\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 0.689em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.515em, 1000em, 4.342em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-119\" class=\"mi\">y<span style=\"display: inline-block; overflow: hidden; height: 1px; width: 0.004em;\"><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.269em; left: 0.402em;\"><span style=\"font-size: 50%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-120\" class=\"mi\">z<span style=\"display: inline-block; overflow: hidden; height: 1px; width: 0.002em;\"><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.099em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.053em; vertical-align: -0.079em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-9\" type=\"math\/tex\">x^{y^z}<\/script>. Observe the difference between <code>x_i^2<\/code> <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-10-Frame\" class=\"MathJax\"><nobr><span style=\"width: 1.083em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-121\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 0.988em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.098em, 1000em, 2.595em, -1000em); top: -2.099em; left: 0em;\"><span id=\"MathJax-Span-122\" class=\"mrow\"><span id=\"MathJax-Span-123\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.001em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.385em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-124\" class=\"mi\">x<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.356em, 1000em, 4.198em, -1000em); top: -4.357em; left: 0.572em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Main;\" id=\"MathJax-Span-125\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; clip: rect(3.36em, 1000em, 4.205em, -1000em); top: -3.709em; left: 0.572em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-126\" class=\"mi\">i<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.099em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 1.35em; vertical-align: -0.402em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-10\" type=\"math\/tex\">x_i^2<\/script> and <code>x_{i^2}<\/code> <span style=\"color: inherit;\" class=\"MathJax_Preview\"><\/span><span style=\"\" id=\"MathJax-Element-11-Frame\" class=\"MathJax\"><nobr><span style=\"width: 1.283em; display: inline-block;\" role=\"math\" id=\"MathJax-Span-127\" class=\"math\"><span style=\"display: inline-block; position: relative; width: 1.173em; height: 0px; font-size: 108%;\"><span style=\"position: absolute; clip: rect(1.472em, 1000em, 2.555em, -1000em); top: -2.099em; left: 0em;\"><span id=\"MathJax-Span-128\" class=\"mrow\"><span id=\"MathJax-Span-129\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 1.194em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.385em, 1000em, 4.209em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-130\" class=\"mi\">x<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -3.749em; left: 0.572em;\"><span id=\"MathJax-Span-131\" class=\"texatom\"><span id=\"MathJax-Span-132\" class=\"mrow\"><span id=\"MathJax-Span-133\" class=\"msubsup\"><span style=\"display: inline-block; position: relative; width: 0.547em; height: 0px;\"><span style=\"position: absolute; clip: rect(3.36em, 1000em, 4.205em, -1000em); top: -4.012em; left: 0em;\"><span style=\"font-size: 70.7%; font-family: MathJax_Math; font-style: italic;\" id=\"MathJax-Span-134\" class=\"mi\">i<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><span style=\"position: absolute; top: -4.287em; left: 0.244em;\"><span style=\"font-size: 50%; font-family: MathJax_Main;\" id=\"MathJax-Span-135\" class=\"mn\">2<\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 4.012em;\"><\/span><\/span><\/span><\/span><\/span><span style=\"display: inline-block; width: 0px; height: 2.099em;\"><\/span><\/span><\/span><span style=\"border-left: 0em solid; display: inline-block; overflow: hidden; width: 0px; height: 0.903em; vertical-align: -0.359em;\"><\/span><\/span><\/nobr><\/span><script id=\"MathJax-Element-11\" type=\"math\/tex\">x_{i^2}<\/script>.<\/p>\n<\/li>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/meta.math.stackexchange.com\/questions\/5020\/mathjax-basic-tutorial-and-quick-reference http:\/\/www.suluclac.com\/Wiki+MathJax+Syntax For inline formulas, enclose the formula in $&#8230;$. For displayed formulas, use $$&#8230;$$. These render differently: \u2211ni=0i2=(n2+n)(2n+1)6 (inline) or \u2211i=0ni2=(n2+n)(2n+1)6(displayed) For Greek letters, use \\alpha, \\beta, \u2026, \\omega: \u03b1,\u03b2,\u2026\u03c9. For uppercase, use \\Gamma, \\Delta, \u2026, \\Omega: \u0393,\u0394,\u2026,\u03a9. For &hellip; <a href=\"http:\/\/www.dientoan.us\/?p=4657\">\u0110\u1ecdc ti\u1ebfp <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/posts\/4657"}],"collection":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4657"}],"version-history":[{"count":0,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=\/wp\/v2\/posts\/4657\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4657"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dientoan.us\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}