Latest has many commands and it is not easy to quickly remember them all. Then, a cheat sheet will be very useful. Here is a collection of cheat sheets for Latex that I collected from the Web.

# Latex cheat sheet

Latex cheat sheet by Winston Chang:

# LaTeX Math Symbols

https://web.archive.org/web/20190707092927/http://web.ift.uib.no/Teori/KURS/WRK/TeX/symALL.html

That cheat sheet by Winston Chang definitely comes in handy (2 of the 3 links in the article are dead by the way). For someone totally new to LaTeX, this non-technical intro to LaTeX can make a great read. For an online LaTeX editor, Overleaf has an interface that works great as well.

Tom