Sandbox

<php> echo '<script src="../Wikka/3rdparty/plugins/jsmath/jsMath.js" type="text/javascript"></script> <NOSCRIPT>

Warning: <A HREF="http://www.math.union.edu/locate/jsMath">jsMath</A> requires JavaScript to process the mathematics on this page.
If your browser supports JavaScript, be sure it is enabled.

---

</NOSCRIPT>'; </php>

\sum_{i=1}^{\nu} i = {n(n+1)\over 2}

<php> echo '<script type="text/javascript">jsMath.Process()</script>'; </php>