A similar question on Area 51 Discussions before we entered private beta. That was closed, so I'm going to ask here.
Most or all of the questions asked on OR will probably use math equations of some type, and it would be helpful to have MathJax to format them neater, so I think we should have MathJax enabled as soon as possible.
To take a few examples from https://area51.meta.stackexchange.com/questions/29698/will-or-se-have-mathjax, here are a few questions operations research-related questions on Mathematics.SE that use MathJax:
So, should we have MathJax enabled? If so, when should it be enabled?