Welcome to Piphi's Wiki!
The Piphi Wiki project is administered by the legendary piphi for supporting educational content useful to avid math students.
New to the AoPS Wiki?
If you don't know much about how to edit a wiki, you might want to read the tutorial and the help files. You can also read what AoPSWiki is not. Lastly, please read the policies of the AoPSWiki before editing, and why AoPSWiki is different from other online resources.
AoPSWiki runs on the MediaWiki software.