{"id":584,"date":"2020-06-04T11:46:00","date_gmt":"2020-06-04T15:46:00","guid":{"rendered":"https:\/\/molecularsciences.org\/content\/?p=584"},"modified":"2024-02-08T08:19:18","modified_gmt":"2024-02-08T13:19:18","slug":"writing-math-formulas-in-html","status":"publish","type":"post","link":"https:\/\/molecularsciences.org\/content\/writing-math-formulas-in-html\/","title":{"rendered":"Writing Math formulas in HTML"},"content":{"rendered":"\n<p>Mathematical formulas can be written in HTML without installing special fonts, MathML, or inserting images. This article shows how this can be done.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>Symbol<\/th><th>Entity<\/th><th>Description<\/th><\/tr><tr><td>\u00ac<\/td><td>&amp;#172;<\/td><td>not sign<\/td><\/tr><tr><td>\u00af<\/td><td>&amp;#175;<\/td><td>macron, overline<\/td><\/tr><tr><td>\u00b0<\/td><td>&amp;#176;<\/td><td>degree sign<\/td><\/tr><tr><td>\u00b1<\/td><td>&amp;#177;<\/td><td>plus-minus sign<\/td><\/tr><tr><td>\u00b5<\/td><td>&amp;#181;<\/td><td>micro sign<\/td><\/tr><tr><td>\u00b7<\/td><td>&amp;#183;<\/td><td>middle dot, centered period<\/td><\/tr><tr><td>\u00d7<\/td><td>&amp;#215;<\/td><td>multiplication sign<\/td><\/tr><tr><td>\u00f7<\/td><td>&amp;#247;<\/td><td>division sign<\/td><\/tr><tr><td>\u0192<\/td><td>&amp;#402;<\/td><td>f with hook, script f<\/td><\/tr><tr><td>&#8211;<\/td><td><\/td><td>monospaced hyphen<\/td><\/tr><tr><td>\u2212<\/td><td>&amp;#8722;<\/td><td>minus sign<\/td><\/tr><tr><td>\u2013<\/td><td>&amp;#8211;<\/td><td>en dash<\/td><\/tr><tr><td>\u2014<\/td><td>&amp;#8212;<\/td><td>em dash<\/td><\/tr><tr><td>\u2020<\/td><td>&amp;#8224;<\/td><td>dagger<\/td><\/tr><tr><td>\u2021<\/td><td>&amp;#8225;<\/td><td>double dagger<\/td><\/tr><tr><td>\u2022<\/td><td>&amp;#8226;<\/td><td>bullet<\/td><\/tr><tr><td>\u2026<\/td><td>&amp;#8230;<\/td><td>ellipsis<\/td><\/tr><tr><td>\u2032<\/td><td>&amp;#8242;<\/td><td>prime, minute<\/td><\/tr><tr><td>\u2033<\/td><td>&amp;#8243;<\/td><td>double prime, second<\/td><\/tr><tr><td>\u2044<\/td><td>&amp;#8260;<\/td><td>fraction slash<\/td><\/tr><tr><td>\u03a9<\/td><td>&amp;#8486;<\/td><td>ohm sign<\/td><\/tr><tr><td>\u2190<\/td><td>&amp;#8592;<\/td><td>leftwards arrow<\/td><\/tr><tr><td>\u2191<\/td><td>&amp;#8593;<\/td><td>upwards arrow<\/td><\/tr><tr><td>\u2192<\/td><td>&amp;#8594;<\/td><td>rightwards arrow<\/td><\/tr><tr><td>\u2193<\/td><td>&amp;#8595;<\/td><td>downwards arrow<\/td><\/tr><tr><td>\u2194<\/td><td>&amp;#8596;<\/td><td>left right arrow<\/td><\/tr><tr><td>\u2195<\/td><td>&amp;#8597;<\/td><td>up down arrow<\/td><\/tr><tr><td>\u2202<\/td><td>&amp;#8706;<\/td><td>partial differential<\/td><\/tr><tr><td>\u2206<\/td><td>&amp;#8710;<\/td><td>increment, difference<\/td><\/tr><tr><td>\u220f<\/td><td>&amp;#8719;<\/td><td>product<\/td><\/tr><tr><td>\u2211<\/td><td>&amp;#8721;<\/td><td>summation, sum<\/td><\/tr><tr><td>\u221a<\/td><td>&amp;#8730;<\/td><td>square root, radical<\/td><\/tr><tr><td>\u221e<\/td><td>&amp;#8734;<\/td><td>infinity<\/td><\/tr><tr><td>\u2229<\/td><td>&amp;#8745;<\/td><td>intersection<\/td><\/tr><tr><td>\u222b<\/td><td>&amp;#8747;<\/td><td>integral<\/td><\/tr><tr><td>\u2320<\/td><td>&amp;#8992;<\/td><td>top half integral<\/td><\/tr><tr><td>\u2321<\/td><td>&amp;#8993;<\/td><td>bottom half integral<\/td><\/tr><tr><td>\u2248<\/td><td>&amp;#8776;<\/td><td>almost equal to, approximately equal to<\/td><\/tr><tr><td>\u2260<\/td><td>&amp;#8800;<\/td><td>not equal to<\/td><\/tr><tr><td>\u2261<\/td><td>&amp;#8801;<\/td><td>identical to<\/td><\/tr><tr><td>\u2264<\/td><td>&amp;#8804;<\/td><td>less than or equal to<\/td><\/tr><tr><td>\u2265<\/td><td>&amp;#8805;<\/td><td>greater than or equal to<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u221a(a<sup>2<\/sup>&nbsp;+ b<sup>2<\/sup>)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>lim<\/td><td>a<sub>n<\/sub><\/td><\/tr><tr><td><small>n\u2192\u221e<\/small><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u221e&nbsp;\u2211&nbsp;a<sub>n<\/sub>&nbsp;n=0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u221e<br>\u2211<small><br>n&nbsp;=&nbsp;0<\/small><\/td><td>a<sub>n<\/sub><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>{ sum from n = 0 to infinity } a_n<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u2206u &nbsp;=&nbsp; \u0394u &nbsp;=&nbsp;<\/td><td><small>n<br><\/small>\u2211<small><br>i&nbsp;=&nbsp;1<\/small><\/td><td>\u2202<sup>2<\/sup>u\/\u2202x<sub>i<\/sub><sup>2<\/sup><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Laplacian of u = Delta u = { sum from i = 1 to n } d^2u \/ dx_i^2<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u221e<br>\u220f<small><br>n&nbsp;=&nbsp;0<\/small><\/td><td>a<sub>n<\/sub><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>{ product from n = 0 to infinity } a_n<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><small>&nbsp;&nbsp;b<\/small><br>\u222b<small><br>a&nbsp;&nbsp;<\/small><\/td><td>f(x)dx<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>{ integral from a to b } f(x) dx<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>&nbsp;+\u221e<br>\u222b<br>\u2212\u221e&nbsp;<\/td><td>exp(\u2212x<sup>2<\/sup>)dx<\/td><td>&nbsp;=&nbsp; \u221a\u03c0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>{ integral from&nbsp;-infinity to +infinity } exp(-x^2) dx = square root of pi<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mathematical formulas can be written in HTML without installing special fonts, MathML, or inserting images. This article shows how this can be done. Symbol Entity Description \u00ac &amp;#172; not sign \u00af &amp;#175; macron, overline \u00b0 &amp;#176; degree sign \u00b1 &amp;#177; plus-minus sign \u00b5 &amp;#181; micro sign \u00b7 &amp;#183; middle dot, centered period \u00d7 &amp;#215; multiplication [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[512],"tags":[166],"class_list":["post-584","post","type-post","status-publish","format-standard","hentry","category-misc","tag-html"],"_links":{"self":[{"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/posts\/584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/comments?post=584"}],"version-history":[{"count":1,"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/posts\/584\/revisions"}],"predecessor-version":[{"id":585,"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/posts\/584\/revisions\/585"}],"wp:attachment":[{"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/media?parent=584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/categories?post=584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/molecularsciences.org\/content\/wp-json\/wp\/v2\/tags?post=584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}