I just installed a LaTeX plugin.  What’s LaTeX you ask?  It’s an algorithm used to convert specified code into traditional math-speak via an image.  For example, it will change something like this:

\int_{-4}^{20}(x^{45}+20)\mathrm{d} x

Into this:

Pretty neat, eh?  You can use this site to create some code.  I also have this feature enabled in the comments.  Not that anyone will use it – I just think it’s awesome.