iTeXMac News: TeX on Mac OS X. Installing LaTeX on a Mac. From Mac Guides LaTeX is a document preparation system, that is used a lot in sciences and is generally considered the fastest and most professional way to write documents containing lots of mathematical equations or different languages.
It is also very robust (handling very large documents easily). In LaTeX, input and output are split into different files. To see what LaTeX can do, visit the TeX Showcase There are two main ways to install LaTeX on a Mac, the first is far simpler but requires downloading a 1.3 GB file. The Not So Short Introduction To LaTeX2e (PT) The Not So Short Introduction To LaTeX2e.