LaTeX Research Guide

This free Wikibook on LaTeX is very helpful with lots of examples and easy to navigate

Draw a symbol and search for possible matches and find the LaTeX command.
Some symbols have a \usepackage{package_name} command that you need to include in the preamble of your .tex file (before the \begin{document}). This tells LaTeX to use a package that has even more commands. The vast majority of these packages are already downloaded with your tex installation.

Document listings 14,283 symbols and the corresponding LaTeX commands that produce them. Use only as a last resort.

Online table creator for LaTeX. Enter data into the cells to generate code for table is LaTeX, html, Mathematica, and more.

Templates for creating books, articles, assignments, resumes, and much more in LaTeX.