User contributions
- 11:07, 17 February 2014 (diff | hist) . . (+749) . . 2008 AMC 12B Problems/Problem 23
- 23:04, 29 January 2014 (diff | hist) . . (+1) . . 2013 AIME I Problems/Problem 14 (→Solution 1)
- 23:03, 29 January 2014 (diff | hist) . . (-4) . . 2013 AIME I Problems/Problem 14
- 21:05, 24 January 2014 (diff | hist) . . (+621) . . 2013 AMC 12B Problems/Problem 17
- 11:45, 30 July 2013 (diff | hist) . . (+438) . . 1976 IMO Problems/Problem 4 (→Solution)
- 10:54, 30 July 2013 (diff | hist) . . (+71) . . 1992 AIME Problems/Problem 8 (→Solution)
- 10:54, 30 July 2013 (diff | hist) . . (+150) . . 1992 AIME Problems/Problem 8 (→Solution)
- 20:16, 15 July 2013 (diff | hist) . . (+24) . . m 2012 AIME I Problems/Problem 8 (→Alternative Solution (using calculus): think inside the box)
- 18:39, 26 June 2013 (diff | hist) . . (+526) . . 1980 USAMO Problems/Problem 5
- 19:10, 4 April 2013 (diff | hist) . . (+661) . . 2013 AIME II Problems/Problem 4
- 20:24, 29 March 2013 (diff | hist) . . (+4) . . m 2011 AMC 12A Problems/Problem 25 (→Solution)
- 20:23, 29 March 2013 (diff | hist) . . (+73) . . 2011 AMC 12A Problems/Problem 25 (→Solution)
- 20:40, 20 February 2013 (diff | hist) . . (+3) . . Calculus
- 20:39, 20 February 2013 (diff | hist) . . (+186) . . Calculus
- 06:32, 2 February 2013 (diff | hist) . . (+8) . . 2005 AIME I Problems/Problem 8 (→Solution)