WordPress has a good introduction to LaTeX. Terry Tao also has some good things to say about using LaTeX in WordPress. Lastly, I use a very efficient LaTeX to WordPress’s LaTeX converter written (in python) by Luca Trevisan.
An example from a well known text:
Let be a family of functions, and let be an algorithm that takes an oracle and returns a bit. We consider two games as described in Fig. 3.1. The prf-advantage of is defined as
I made this post by first typing up everything into my LaTeX editor (TexShop) and then I used the python script to turn it into the appropriate WordPress code. WordPress doesn’t really have error checking, so I find this to be the fastest way to create posts.
For more information about the particular ‘Roles’ you can have on a WordPress blog, check out here