Sandbox
From SolarSailWiki
<php> echo '<script src="../Wikka/3rdparty/plugins/jsmath/jsMath.js" type="text/javascript"></script>';
echo ' \sum_{i=1}^{\nu} i = {n(n+1)\over 2}
';
echo '<script type="text/javascript">jsMath.Process()</script>'; </php>
