MediaWiki is the name of the software that runs the Mathematics Wikia. It's the same software used by Wikipedia and other wikis of the Wikimedia Foundation, as well as many other wikis not related to Wikimedia.
For help with navigating, searching, editing, etc., on this wiki, please see Help:Contents.
For other information about the software in general, see Wikipedia:MediaWiki, the MediaWiki Handbook, or MediaWiki.org, a wiki entirely devoted to the software.