{"id":1679,"date":"2020-04-11T19:16:10","date_gmt":"2020-04-11T19:16:10","guid":{"rendered":"https:\/\/presswiki.allmath.gr\/wpwiki18\/?p=1679"},"modified":"2020-04-11T19:16:10","modified_gmt":"2020-04-11T19:16:10","slug":"openeclass-%ce%bc%ce%b1%ce%b8%ce%b7%ce%bc%ce%b1%cf%84%ce%b9%ce%ba%ce%ac-%cf%83%cf%8d%ce%bc%ce%b2%ce%bf%ce%bb%ce%b1","status":"publish","type":"post","link":"https:\/\/presswiki.allmath.gr\/wpwiki18\/2020\/04\/11\/19\/16\/10\/1679\/","title":{"rendered":"Openeclass \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03b1"},"content":{"rendered":"<p>\u03a0\u03b7\u03b3\u03ae: <em><a href=\"http:\/\/technewsnowgr.blogspot.com\/\">\u03a4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac- \u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u039d\u03ad\u03b1 \u03a4\u03ce\u03c1\u03b1 &#8211; Tech News Now Gr<\/a><\/em><\/p>\n<p>&nbsp;<\/p>\n<div id=\"header\">PhpMathPublisher : help<\/div>\n<div id=\"contentbox\">\n<p>To toggle to the math mode, you must use the &lt;m&gt;&#8230;&lt;\/m&gt; tag. Apart from this tag, any html code can be used.<br \/>\nThe math commands must be separated by a space character or surrounded by {}.<br \/>\n<strong>Examples\u00a0<\/strong>:<\/p>\n<ul>\n<li>&lt;m&gt;S(f)(t)=a_{0}+sum{n=1}{+infty}{a_{n} cos(n omega t)+b_{n} sin(n omega t)}&lt;\/m&gt;<\/li>\n<li>&lt;m&gt;delim{lbrace}{matrix{3}{1}{{3x-5y+z=0} {sqrt{2}x-7y+8z=0} {x-8y+9z=0}}}{ }&lt;\/m&gt;<\/li>\n<li>&lt;m&gt;delim{|}{{1\/N} sum{n=1}{N}{gamma(u_n)} &#8211; 1\/{2 pi} int{0}{2 pi}{gamma(t) dt}}{|} &lt;= epsilon\/3&lt;\/m&gt;<\/li>\n<\/ul>\n<\/div>\n<div id=\"contentlabel\">List of commands<\/div>\n<div id=\"aide\">\n<div class=\"left\">\n<p><b>Usual commands<\/b><br \/>\nx+y :\u00a0<img title=\"x+y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d4ebb74e13fff2d03b396e0b6af60063.png\" alt=\"x+y\" \/><br \/>\nx-y :\u00a0<img title=\"x-y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/907e0eee9edec91a1f88c7fb93637a66.png\" alt=\"x-y\" \/><br \/>\nx*y :\u00a0<img title=\"x*y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/e646e1d7c5339c11685687bc0827fe32.png\" alt=\"x*y\" \/><br \/>\nx\/y :\u00a0<img title=\"x\/y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/ea5553d453946e2c496e9aae0a6372a0.png\" alt=\"x\/y\" \/><br \/>\nx^y :\u00a0<img title=\"x^y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/500aa8f23e2ddacef8478037dfcb98ab.png\" alt=\"x^y\" \/><br \/>\nx_y :\u00a0<img title=\"x_y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/39605777d43011c8d03ef08fea2b7def.png\" alt=\"x_y\" \/><br \/>\nx&lt;&gt;y :\u00a0<img style=\"vertical-align: -7.5px; display: inline-block;\" title=\"x&lt;&gt;y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/235f8a6415184e12478c4576fcc47f05.png\" alt=\"x&lt;&gt;y\" \/><br \/>\nx&gt;y :\u00a0<img style=\"vertical-align: -7.5px; display: inline-block;\" title=\"x&gt;y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b1c59285a8f58131f1bc3524673a4c95.png\" alt=\"x&gt;y\" \/><br \/>\nx&gt;=y :\u00a0<img style=\"vertical-align: -7.5px; display: inline-block;\" title=\"x&gt;=y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/02d69dd704654a0ffaf5327132c26b8e.png\" alt=\"x&gt;=y\" \/><br \/>\nx&lt;y :\u00a0<img title=\"x&lt;y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/75c395e8d1b7f71eb932d9044ba4df32.png\" alt=\"x&lt;y\" \/><br \/>\nx&lt;=y :\u00a0<img title=\"x&lt;=y\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/ce05a1fe278804d6b240eb54f40bbdf7.png\" alt=\"x&lt;=y\" \/><br \/>\n<b>Parenthesis<\/b><br \/>\nvisible : (x)<br \/>\ninvisible : {x}<br \/>\n<b>Math space<\/b><br \/>\na~b :\u00a0<img title=\"a~b\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/64a222d053884943397a6fdfa4ea3143.png\" alt=\"a~b\" \/><br \/>\n<b>Greek letters<\/b><br \/>\nalpha :\u00a0<img title=\"alpha\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/2db4d817922b6a60df1adac1179ec1f1.png\" alt=\"alpha\" \/><br \/>\nbeta :\u00a0<img title=\"beta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/ca76e2d9c2934299d982b366c4b9631c.png\" alt=\"beta\" \/><br \/>\ngamma :\u00a0<img title=\"gamma\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/dafd987740ae7a608a7a3e6776e63762.png\" alt=\"gamma\" \/><br \/>\ndelta :\u00a0<img title=\"delta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/50502dc5ff624927f2cd090e02b9c8d7.png\" alt=\"delta\" \/><br \/>\nepsilon :\u00a0<img title=\"epsilon\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/fd2b400592a975627747fe083c73dabc.png\" alt=\"epsilon\" \/><br \/>\nvarepsilon :\u00a0<img title=\"varepsilon\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/f1ab61997dd1387bdf059bc7f82e074f.png\" alt=\"varepsilon\" \/><br \/>\nzeta :\u00a0<img title=\"zeta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b566ab416f2f6362d97c6356baa30d14.png\" alt=\"zeta\" \/><br \/>\neta :\u00a0<img title=\"eta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/80d58f742dff1ad97af2bb81dbdfa592.png\" alt=\"eta\" \/><br \/>\ntheta :\u00a0<img title=\"theta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/cee89d84c3da9b59c80bad31bf538423.png\" alt=\"theta\" \/><br \/>\nvartheta :\u00a0<img title=\"vartheta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/8056373a0559b8b6a8cb06a5929664fb.png\" alt=\"vartheta\" \/><br \/>\niota :\u00a0<img title=\"iota\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/7e3ff24bc8f43516c101b320c75c43ea.png\" alt=\"iota\" \/><br \/>\nkappa :\u00a0<img title=\"kappa\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/93c0b85db2b9bcf8fd5abf97ece80b4e.png\" alt=\"kappa\" \/><br \/>\nlambda :\u00a0<img title=\"lambda\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/83c2aa2eaf2d8705df4c042124c644f1.png\" alt=\"lambda\" \/><br \/>\nmu :\u00a0<img title=\"mu\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/7eb33b68fd75153cf07532f69851b61e.png\" alt=\"mu\" \/><br \/>\nnu :\u00a0<img title=\"nu\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/a3f92762a90c44c0bd9ad27477900fd3.png\" alt=\"nu\" \/><br \/>\nxi :\u00a0<img title=\"xi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/28262e6cce5fac1cc670bdcda2778405.png\" alt=\"xi\" \/><br \/>\npi :\u00a0<img title=\"pi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/465ef2c348908fbec40915d3d069dfde.png\" alt=\"pi\" \/><br \/>\nvarpi :\u00a0<img title=\"varpi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/5a36f3e529cfabea588c613c80d15d49.png\" alt=\"varpi\" \/><br \/>\nrho :\u00a0<img title=\"rho\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/77643458fece23896d09ce584b384c5d.png\" alt=\"rho\" \/><br \/>\nvarrho :\u00a0<img title=\"varrho\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/0b238ecfe58f676ac1b248d18b19eb83.png\" alt=\"varrho\" \/><br \/>\nsigma :\u00a0<img title=\"sigma\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/42f8a93d5568cfa3263e7e3c34fa475e.png\" alt=\"sigma\" \/><br \/>\nvarsigma :\u00a0<img title=\"varsigma\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/70d11666b66959b5ffe3c41c1cf945f1.png\" alt=\"varsigma\" \/><br \/>\ntau :\u00a0<img title=\"tau\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/c69b4b157707ebd6fc9a52cc750ee8f9.png\" alt=\"tau\" \/><br \/>\nupsilon :\u00a0<img title=\"upsilon\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/5bf9cb3d52ad97ec1c19a557463c8902.png\" alt=\"upsilon\" \/><br \/>\nphi :\u00a0<img title=\"phi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/08d0ec67eba2153b162332cc376c6501.png\" alt=\"phi\" \/><br \/>\nvarphi :\u00a0<img title=\"varphi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/988db9d1646ad310d31ce1b864573347.png\" alt=\"varphi\" \/><br \/>\nchi :\u00a0<img title=\"chi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d93a0c183fc37dc79b848d6cdbf7dcb0.png\" alt=\"chi\" \/><br \/>\npsi :\u00a0<img title=\"psi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/ef7d7faaa32b16d3186f964397d2a494.png\" alt=\"psi\" \/><br \/>\nomega :\u00a0<img title=\"omega\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/e0b7ae33ffc407dc3e2493a96dad43a5.png\" alt=\"omega\" \/><br \/>\nGamma :\u00a0<img title=\"Gamma\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/a13a10461d5802da23eb2eacf1463e30.png\" alt=\"Gamma\" \/><br \/>\nLambda :\u00a0<img title=\"Lambda\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/8922e4a71383cf48034c17e74e536244.png\" alt=\"Lambda\" \/><br \/>\nSigma :\u00a0<img title=\"Sigma\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/56a4019a89f4c2de667f399d765f1d40.png\" alt=\"Sigma\" \/><br \/>\nPsi :\u00a0<img title=\"Psi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/969f6c956f59ad381406192a96dfa295.png\" alt=\"Psi\" \/><br \/>\nDelta :\u00a0<img title=\"Delta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/74edda0e8664842325c72aad75944598.png\" alt=\"Delta\" \/><br \/>\nXi :\u00a0<img title=\"Xi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b9d407f1583d381586eb212b1abb0cb7.png\" alt=\"Xi\" \/><br \/>\nUpsilon :\u00a0<img title=\"Upsilon\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/0f5f4d813c2ff5f86b63c760a3a59f69.png\" alt=\"Upsilon\" \/><br \/>\nOmega :\u00a0<img title=\"Omega\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/15160f09c0d673429274849801e792bb.png\" alt=\"Omega\" \/><br \/>\nTheta :\u00a0<img title=\"Theta\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/fba89a92a75190cce445178491fa465e.png\" alt=\"Theta\" \/><br \/>\nPi :\u00a0<img title=\"Pi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b931ce26ce2246f484ed225e71795022.png\" alt=\"Pi\" \/><br \/>\nPhi :\u00a0<img title=\"Phi\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/4c6d70703505b4d81831cd9f64e377f2.png\" alt=\"Phi\" \/><br \/>\n<b>Symbols<\/b><br \/>\ninfty :\u00a0<img title=\"infty\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/0ecc917fe107f0c9c44dccd347683354.png\" alt=\"infty\" \/><br \/>\nin :\u00a0<img title=\"in\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/dc8dcd089da6879f8716b327db36eb68.png\" alt=\"in\" \/><br \/>\nnotin :\u00a0<img title=\"notin\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/e5df65f2081fbbe00312a4151cf4c445.png\" alt=\"notin\" \/><br \/>\nforall :\u00a0<img title=\"forall\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/76bcae9774289fd6b2846ae5cf7e64d5.png\" alt=\"forall\" \/><br \/>\nexists :\u00a0<img title=\"exists\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/2e1c83e313c4e6a949648ce406f156ce.png\" alt=\"exists\" \/><br \/>\nnotexists :\u00a0<img title=\"notexists\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/33d1bac66cd62ece8b168a555e60e4b3.png\" alt=\"notexists\" \/><br \/>\npartial :\u00a0<img title=\"partial\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/bf24f88f954f7fbfab1c4d9080232148.png\" alt=\"partial\" \/><br \/>\napprox :\u00a0<img title=\"approx\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/e586c6f0b88ef51f9936396167aa0dd1.png\" alt=\"approx\" \/><br \/>\npm :\u00a0<img title=\"pm\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d35a82f4de9b8323552b7834bf162f9e.png\" alt=\"pm\" \/><br \/>\ninter :\u00a0<img title=\"inter\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/1b5ab7021459c1cacf4127fa06dcae66.png\" alt=\"inter\" \/><br \/>\nunion :\u00a0<img title=\"union\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/6fb78d83baba2a381b3f162ec12b1fe4.png\" alt=\"union\" \/><br \/>\northo :\u00a0<img title=\"ortho\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/4ab543b73d754623b0d646cb1f9e99dd.png\" alt=\"ortho\" \/><br \/>\nparallel :\u00a0<img title=\"parallel\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/a0bcd3846614b802f97dd2bc559220b6.png\" alt=\"parallel\" \/><br \/>\nbackslash :\u00a0<img title=\"backslash\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b50eb33f05d8ac9f754329bab1784546.png\" alt=\"backslash\" \/><br \/>\nprime :\u00a0<img title=\"prime\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/57c7b463cf170b397d658cd99beaac30.png\" alt=\"prime\" \/><br \/>\nwedge :\u00a0<img title=\"wedge\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/58edfc2a45b9f89ec9a33fd446294574.png\" alt=\"wedge\" \/><br \/>\nvert :\u00a0<img title=\"vert\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/e59500e159e2d64447b61c411ed3a468.png\" alt=\"vert\" \/><br \/>\nlbrace : {<br \/>\nrbrace : }<br \/>\ncirc :\u00a0<img title=\"circ\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/080bb093c827a569e2f18556b7ffeaf1.png\" alt=\"circ\" \/><br \/>\nvarnothing :\u00a0<img title=\"varnothing\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/50607edea0d162153b77bcd88ef767c5.png\" alt=\"varnothing\" \/><br \/>\nsubset :\u00a0<img title=\"subset\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/46be7efa4793d1b33696a18a8c87ff8f.png\" alt=\"subset\" \/><br \/>\nnotsubset :\u00a0<img title=\"notsubset\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/1c502db42f871fea5ea6bcc4150089bc.png\" alt=\"notsubset\" \/><br \/>\ncdots :\u00a0<img title=\"cdots\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b59e72a76122eb79091aa7e86f354c60.png\" alt=\"cdots\" \/><br \/>\nvdots :\u00a0<img title=\"vdots\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/7e7c4f9b498b1f770bb22f6bc27c09f9.png\" alt=\"vdots\" \/><br \/>\nddots :\u00a0<img title=\"ddots\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/daeb02c2df0ae4f1df7fdc994467a89c.png\" alt=\"ddots\" \/><\/p>\n<\/div>\n<div class=\"right\">\n<p><b>Arrows :<\/b><br \/>\nleft :\u00a0<img title=\"left\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/e6dd33685d13dc7a5f7291114512fafc.png\" alt=\"left\" \/><br \/>\nright :\u00a0<img title=\"right\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d1df0405ffe0578ba1d4f54a25464fce.png\" alt=\"right\" \/><br \/>\nleftright :\u00a0<img title=\"leftright\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/3bd6470e62a884ffeaa30c8b1b3f2f5b.png\" alt=\"leftright\" \/><br \/>\ndoubleleft :\u00a0<img title=\"doubleleft\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/bd58d2042db2d48bbc8e1dfa882d2e7d.png\" alt=\"doubleleft\" \/><br \/>\ndoubleright :\u00a0<img title=\"doubleright\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/81ef5f2e8326e8684ca9ea8deae58b5a.png\" alt=\"doubleright\" \/><br \/>\ndoubleleftright :\u00a0<img title=\"doubleleftright\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/158c5704a6f4601be7425f69e70afe10.png\" alt=\"doubleleftright\" \/><br \/>\nnearrow :\u00a0<img title=\"nearrow\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/7f6b7c6db2e22eb055b691c032fb99a6.png\" alt=\"nearrow\" \/><br \/>\nsearrow :\u00a0<img title=\"searrow\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/ef0bdd8a0f4bd9d829a4d23e5a51c6ef.png\" alt=\"searrow\" \/><br \/>\n<b>Sets<\/b><br \/>\nbbR :\u00a0<img title=\"bbR\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/4a385cdeb32d8ee4f6b485036ee58de8.png\" alt=\"bbR\" \/><br \/>\nbbN :\u00a0<img title=\"bbN\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/756e3a028af48128934ed0cc274f38a3.png\" alt=\"bbN\" \/><br \/>\nbbZ :\u00a0<img title=\"bbZ\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d3eb3fcdb0647e1f0b2f178be384303d.png\" alt=\"bbZ\" \/><br \/>\nbbC :\u00a0<img title=\"bbC\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/b4271c1294275784fb81cd588e1e4e34.png\" alt=\"bbC\" \/><br \/>\n<b>Roots<\/b><br \/>\nsqrt{a} :\u00a0<img title=\"sqrt{a}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/7849e8b3631cc39bd9b7f23df651f3f3.png\" alt=\"sqrt{a}\" \/><br \/>\nroot{n}{a} :\u00a0<img title=\"root{n}{a}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/fb764e2cf4dcbda1a494111bc60c6474.png\" alt=\"root{n}{a}\" \/><br \/>\n<b>Limits<\/b><br \/>\nlim{a}{x} :\u00a0<img title=\"lim{a}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/68f8350413595eff7376acea36ce6280.png\" alt=\"lim{a}{x}\" \/><br \/>\n<b>Big operators<\/b><br \/>\nint{a}{b}{x} :\u00a0<img title=\"int{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/5f15df4dd7758873a29b24aa351a8c62.png\" alt=\"int{a}{b}{x}\" \/><br \/>\ndoubleint{a}{b}{x} :\u00a0<img title=\"doubleint{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/7d5fbcf76a2975e6e71b3c9388c71e28.png\" alt=\"doubleint{a}{b}{x}\" \/><br \/>\ntripleint{a}{b}{x} :\u00a0<img title=\"tripleint{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/426a22893ed69c4d5792a34b4cd8185e.png\" alt=\"tripleint{a}{b}{x}\" \/><br \/>\noint{a}{b}{x} :\u00a0<img title=\"oint{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/025485e02bcdbd3e8e16d1a2de22e988.png\" alt=\"oint{a}{b}{x}\" \/><br \/>\nsum{a}{b}{x} :\u00a0<img title=\"sum{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/debbcf92ab014b93282c7422f6605538.png\" alt=\"sum{a}{b}{x}\" \/><br \/>\nprod{a}{b}{x} :\u00a0<img title=\"prod{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/fc1e260b468c6d85bb33e879fd4057f9.png\" alt=\"prod{a}{b}{x}\" \/><br \/>\nbigcup{a}{b}{x} :\u00a0<img title=\"bigcup{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/824ed28d219c555794e66ebe9659a084.png\" alt=\"bigcup{a}{b}{x}\" \/><br \/>\nbigcap{a}{b}{x} :\u00a0<img title=\"bigcap{a}{b}{x}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/91d602d4ec51e8850bab60c2188c1f9a.png\" alt=\"bigcap{a}{b}{x}\" \/><br \/>\n<b>Delimiters<\/b><br \/>\ndelim{[}{x}{]} :\u00a0<img title=\"delim{[}{x}{]}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/6b5c2ab858733a005ad3f8c858d2c0be.png\" alt=\"delim{[}{x}{]}\" \/><br \/>\ndelim{]}{x}{]} :\u00a0<img title=\"delim{]}{x}{]}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/5e8c71a1e42362bf2be0f8111e4c3159.png\" alt=\"delim{]}{x}{]}\" \/><br \/>\ndelim{[}{x}{[} :\u00a0<img title=\"delim{[}{x}{[}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/87a7fdf6d0238edcc2e564ac8df5c80a.png\" alt=\"delim{[}{x}{[}\" \/><br \/>\ndelim{]}{x}{[} :\u00a0<img title=\"delim{]}{x}{[}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/94b92579d53c853910546b82539bd013.png\" alt=\"delim{]}{x}{[}\" \/><br \/>\ndelim{lbrace}{x}{rbrace} :\u00a0<img title=\"delim{lbrace}{x}{rbrace}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d7db23b1568aafb39c0313e360582814.png\" alt=\"delim{lbrace}{x}{rbrace}\" \/><br \/>\ndelim{|}{x}{|} :\u00a0<img title=\"delim{|}{x}{|}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d0a16322f2913dd6d5e01022d2fd72d9.png\" alt=\"delim{|}{x}{|}\" \/><br \/>\ndelim{vert}{x}{vert} :\u00a0<img title=\"delim{vert}{x}{vert}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/8a5adab4c0e62dac54cf637cf1eede89.png\" alt=\"delim{vert}{x}{vert}\" \/><br \/>\n<b>Matrix<\/b><br \/>\nmatrix{num of lines}{num of columns}{first_element &#8230; last_element}<br \/>\nExample :<br \/>\nmatrix{2}{3}{a b c d e f g} :\u00a0<img title=\"matrix{2}{3}{a b c d e f g}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/beb522beb1a4a20afecda5281d378747.png\" alt=\"matrix{2}{3}{a b c d e f g}\" \/><\/p>\n<p><b>Tabular<\/b><br \/>\ntabular{lines description}{columns description}{first_element &#8230; last_element}<br \/>\nlines description : sequence of 1 (draw the horizontal line) or 0 (don&#8217;t draw the horizontal line) &#8211; the length of the sequence=num of lines+1<br \/>\ncolumns description : sequence of 1 (draw the vertical line) or 0 (don&#8217;t draw the vertical line) &#8211; the length of the sequence=num of columns+1<br \/>\nExamples :<br \/>\ntabular{111}{1111}{a b c d e f g} :\u00a0<img title=\"tabular{111}{1111}{a b c d e f g}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/5d428a145b10814f10d96f8a1b4c4ec4.png\" alt=\"tabular{111}{1111}{a b c d e f g}\" \/><\/p>\n<p>tabular{1001}{101}{1 2 3 4 5 6} :\u00a0<img title=\"tabular{1001}{101}{1 2 3 4 5 6}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/f78b77609ac5824e4fbf486fc9fbf275.png\" alt=\"tabular{1001}{101}{1 2 3 4 5 6}\" \/><\/p>\n<p><b>Constructions<\/b><br \/>\nvec{express} :\u00a0<img title=\"vec{express}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/32fe0ce74ea9849edc4062d8eb8ebb6c.png\" alt=\"vec{express}\" \/><\/p>\n<p>{express}under{foo} :\u00a0<img title=\"{express}under{foo}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/98a6be27938c64e8e29c53fe4fe5aa3e.png\" alt=\"{express}under{foo}\" \/><\/p>\n<p>{express}over{foo} :\u00a0<img title=\"{express}over{foo}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/4322ec0f5caf9215be0899e773c67c20.png\" alt=\"{express}over{foo}\" \/><\/p>\n<p>overline{express} :\u00a0<img title=\"overline{express}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/ee35b84f5bfd58f25d4016355429b3cc.png\" alt=\"overline{express}\" \/><\/p>\n<p>underline{express} :\u00a0<img title=\"underline{express}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/191841c936262f85bb65334abbb2749a.png\" alt=\"underline{express}\" \/><\/p>\n<p>hat{express} :\u00a0<img title=\"hat{express}\" src=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-content\/uploads\/2020\/04\/d0d2c2745c2847a2f71b054c9aa006c3.png\" alt=\"hat{express}\" \/><\/p>\n<\/div>\n<\/div>\n<div id=\"footer\">\n<p><b><a href=\"http:\/\/www.xm1math.net\/phpmathpublisher\/\" target=\"_blank\" rel=\"noopener noreferrer\">PhpMathPublisher<\/a><\/b>\u00a0&#8211; Copyright 2005\u00a0<b>Pascal Brachet &#8211; France<\/b><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u03a0\u03b7\u03b3\u03ae: \u03a4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac- \u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u039d\u03ad\u03b1 \u03a4\u03ce\u03c1\u03b1 &#8211; Tech News Now Gr &nbsp; PhpMathPublisher : help To toggle to the math mode, you must use the &lt;m&gt;&#8230;&lt;\/m&gt; tag. Apart from this tag, any html code can be used. The math commands must be separated by a space character or surrounded by {}. Examples\u00a0: &lt;m&gt;S(f)(t)=a_{0}+sum{n=1}{+infty}{a_{n} cos(n omega t)+b_{n} &hellip; <a href=\"https:\/\/presswiki.allmath.gr\/wpwiki18\/2020\/04\/11\/19\/16\/10\/1679\/\" class=\"more-link\">\u0394\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1<span class=\"screen-reader-text\"> &#8220;Openeclass \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03b1&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[255],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/posts\/1679"}],"collection":[{"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/comments?post=1679"}],"version-history":[{"count":1,"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/posts\/1679\/revisions"}],"predecessor-version":[{"id":1795,"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/posts\/1679\/revisions\/1795"}],"wp:attachment":[{"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/media?parent=1679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/categories?post=1679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/presswiki.allmath.gr\/wpwiki18\/wp-json\/wp\/v2\/tags?post=1679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}