“Anyone who works with LaTeX knows how time-consuming it can be to find a symbol in symbols-a4.pdf that you just can’t memorize. Detexify is an attempt to simplify this search.”

MathJax is an open source JavaScript display engine for mathematics that works in all modern browsers.

Some tips and tricks on using Vim for editing reStructured Text files

An extensive introduction to the most useful features of LaTeX

A quick and easy to understand introduction to the fancyheaders package

The glossaries package can be used to define terms, symbols and acronyms that can be used throughout a document. You can then use an indexing application to collate and sort the entries that have been used in the document. It is a highly versatile package, but it has a large manual that some beginners find daunting. This article is an introductory guide to help you get started.