http://wordpress.org/plugins/latex/
A plugin has been added that allows the writer to utilize LaTeX mathematical commands to build up formulas for their web site. As an example see the following output.
An “in-line” formula
This is an in-line equation.
Adds a LaTeX equation in math model which will be displayed in its own line (Centered).
The following code produces the matrix below:
A Rogers-Ramanujan Identity
More demos can be found at http://www.mathjax.org/demos/tex-samples/
The plugin uses the “MathML” and “LaTeX” and a Javascript code called “MathJax” to render the equations.