TeX resources

• There are several good (free) TeX implementations: TeXLive (www.tug.org/texlive/) and MikTeX (http://miktex.org/). For the Mac, consider tug.org/mactex/.
• Texmaker ( www.xm1math.net/texmaker/) and TeXstudio (texstudio.sourceforge.net/) each provide an integrated TeX editor and previewer.
• From the TeX User's Group: http://www.tug.org/begin.html.
• Joseph Paul Cohen has written a framework with all the boilerplate in place to build homework solutions. You can find it at http://umb-latex-homework.googlecode.com/svn/trunk/.
• tex.stackexchange.com/ is a wonderful TeX question and answer site.
• Compiling documents online - tex.stackexchange.com/questions/3/compiling-documents-online. In particular, look at www.writelatex.com/ .
• tex.stackexchange.com/questions/89297/prerequisites-for-using-latex-efficiently.