Latex
So, only recently started using this app but thought I'd post my solution to getting latex into it here (it's not particularly hard or novel though but may benefit somebody).
Latex is a tag language used to write up maths equations cleanly. I wanted to be able to view maths equations in mental case in an efficient manner.
So, what I use is LatexIT to write up all the content and then drag across to mental case's images in a new flashcard.




Equations with Screenshots
I guess you could also just use a screen shot of any equation on the screen, in any editor. But using LatexIT may be a bit easier.
Drew