Links to LaTeX resources
Latex guides
Beginners guide:
https://www.sharelatex.com/learn/Creating_a_document_in_LaTeX
Fuller guide
http://tug.ctan.org/info/beginlatex/
A primer for typesetting equations in LaTeX:
http://www.maths.tcd.ie/~dwilkins/LaTeXPrimer/
Special Packages
Beamer (for giving presentations)
https://www.ctan.org/pkg/beamer?lang=en
Durham Thesis macros:
http://maths.dur.ac.uk/Thesis/
BibTeX a package to deal with references
http://www.bibtex.org
Location of most packages you might ever need. CTAN (Comprehensive Tex Archive Network)
http://tug.ctan.org/
LaTex Installations
MikTeX (an option for Windows machine)
http://www.miktex.org/
MACS
If you like a graphical front-end, try TeXShop from
http://www.uoregon.edu/~koch/texshop
other alternatives include Aquemacs which has LaTeX built into the editor.