**MathJax basic tutorial and quick reference**Personally, I prefer to use

https://www.mathjax.org/It is very much straightforward. Scroll down and click the green button says "

**Try a live demo**" then you can begin typing your solution out and your typing preview will be shown right below it.

Below is a link that contains all the helpful tips/references which I found is pretty much enough for typing all kinds solutions out perfectly.

https://math.meta.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-referenceYou can use Crtl+F (Windows keyboard) or Command + F (Mac keyboard) to search.

If there are any problems\questions relating to typing your solutions, feel free to send PMs.