User contributions
- 09:27, 12 April 2010 (diff | hist) . . (-80) . . AoPS Wiki:Sandbox
- 09:26, 12 April 2010 (diff | hist) . . (+3,839) . . AoPS Wiki:Sandbox
- 22:00, 26 July 2009 (diff | hist) . . (-3,443) . . Mathematics (Removed unnecessary information)