You wanted a thing, it didn't exist, and then you built it. Kudos to you! I don't know if part of the goal is to have a growing list of math problems and their

You wanted a thing, it didn't exist, and then you built it. Kudos to you! I don't know if part of the goal is to have a growing list of math problems and their solutions or not, but I see that mathjax is loaded to display the questions. It might be a good idea to note this and have a page where answerers can (if they choose) see how to write their responses in mathjax too.