AASTEX, AMS math, and LATEX symbols Table 1: Additional ...
LATEX The goals of this lab are to learn how to | Chegg.com
DeTeXt - an iOS app that can find the LaTeX command for symbols that you draw. It can detect all math symbols as well as symbols from tipa, amsmath, amssymb and more :
math mode - How to Write following equation using amsmath in Latex - TeX - LaTeX Stack Exchange