This is a test of latex

$\sum^{1}_{3}x^2$

This is a test of latex

$/sum^{1}_{3}x^2$

Another latex resource

1. “Using LaTeX in WordPress » Online LaTeX,” http://sixthform.info/steve/wordpress/?p=59.

note the nice bibref from zotero

latex (.not the rubbery kind, you perv!)

Believe it or not, it is soooo easy to add equations to a blog using latex.
\[\sum_{i=100}^{7x}y_{i}\]

(beware: the script is on the watchmath server, which was recently hacked. I will need to upload my own copy, so if it doesnt work that is why.)