This is an attempt to make collaboration amoung us (the students) easier, hope it helps.
The idea is to share class notes, exercises and solutions, useful information, etc.
Blog
New! Shiny! I have just created a blog to share news-like stuff. Here the latest post:
Remember, next Tuesday we have the exam on Peer to Peer.
We can have printed material that has been provided by them, and personal notes; not books or computers.
Keep reading here!
Calendar
This google calendar is manually updated from the university's info, if you want to see the original, click here
Why a wiki?
It is much easier to edit that standard HTML, this specific site has 
-style mathematical equations support (which is ÜberCool!) and because using other mediums (SVN repo, forum, mailing lists, etc) is usually cumbersome and you don't see the content right away.
How it works
In the side bar you have the navigation elements, including editing help. In any case, looking at an existing page will give you a rough idea of how the syntax is.
If you don't want to deal with syntax, the editor has some buttons that provide the most common syntax elements.
Math equations
(1)
If you don't know LaTeX, you're in trouble already. Go fetch the The Not So Short Introduction to LATEX2ε, which is an excellent introduction and reference manual.
Inside the wiki, you use a standard math environment; see the help page for details.
