* [Inessential LaTeX (PDF)](http://stuff.mit.edu/sipb/ilatex) ([DVI](http://stuff.mit.edu/afs/sipb/project/doc/current/iLaTeX.dvi)) ([HTML, but somewhat dated](http://stuff.mit.edu/afs/sipb.mit.edu/project/www/latex/guide/guide.html)) <br />
A very helpful guide to LaTeX, a typesetting program commonly used for doing PSets, writing papers, theses, books, etc.
* [Inessential LaTeX (PDF)](http://stuff.mit.edu/sipb/ilatex) ([DVI](http://stuff.mit.edu/afs/sipb/project/doc/current/iLaTeX.dvi)) ([HTML, but somewhat dated](http://stuff.mit.edu/afs/sipb.mit.edu/project/www/latex/guide/guide.html)) <br />
A very helpful guide to LaTeX, a typesetting program commonly used for doing PSets, writing papers, theses, books, etc.