Fancy Stuff

Here are commands that you might find useful (either as they are, or as a model for what your need):
hyperlinks
bold italic font
better spacing in eqnarray
change labeling of list items
enumerate copycat
equation labels at left
an environment for proofs
example of Theorem, Lemma, etc. declarations, and choice of fonts
various label formats
appendix sections
numbers only
page and margin dimensions
matrices and functions
multi-line mathematics