BetterLesson.com for math?

I just discovered betterlesson.com, and it looks like a pretty useful site, but I'm wondering about its math capability. Any of you math types using it? I know I can upload Word documents, PPT presentations, and even SMART notebooks and other types of files, but for lesson materials I create within betterlesson.com, does it have any capability like LaTeX for typing math expressions & equations? I've looked through their FAQ and Help, and couldn't find anything, but it's not unusual for this type of capability to be poorly-documented.