LaTeX Math in Octopress

I found this post helpful when trying to enable LaTeX style math formulas in Octopress:

http://blog.zhengdong.me/2012/12/19/latex-math-in-octopress

It’s also worth noting that when you change Octopress themes source/_includes/custom/head.html seems to get overwritten, so you have to re-add the provided snippet.