User contributions
- 19:07, 29 May 2020 (diff | hist) . . (+71) . . 2001 IMO Shortlist Problems/C5 (current)
- 21:04, 26 March 2009 (diff | hist) . . (-15) . . m 2003 AMC 12A Problems
- 13:38, 21 March 2009 (diff | hist) . . (+116) . . 2006 AMC 12B Problems/Problem 19 (→Problem)
- 13:36, 21 March 2009 (diff | hist) . . (+424) . . 2006 AMC 12B Problems/Problem 19
- 20:52, 12 March 2009 (diff | hist) . . (-16) . . Sophie Germain Identity
