Here is a solution to solve the lack of LaTeX support: by using Codecogs API.
For instance, if you need to type a formula
y=ax2aa+bx+c
Then you can generate a image to replace the LaTeX formula when no MathJax supports.
![](//bbsmax.ikafan.com/static/L3Byb3h5L2h0dHAvbGF0ZXguY29kZWNvZ3MuY29tL3N2Zy5sYXRleD95PWF4XjIrYngrYw==.jpg)
Results: