User contributions
- 12:25, 11 April 2010 (diff | hist) . . (-10) . . 2001 USAMO Problems/Problem 1 (→Solution)
- 01:11, 15 January 2010 (diff | hist) . . (0) . . 1999 AIME Problems/Problem 1 (→Solution)
- 23:47, 20 December 2009 (diff | hist) . . (-1) . . 1988 AIME Problems/Problem 13 (→Solution 1)
- 23:47, 20 December 2009 (diff | hist) . . (-7) . . m 1988 AIME Problems/Problem 13 (→Solution 1)
- 23:46, 20 December 2009 (diff | hist) . . (+8) . . 1988 AIME Problems/Problem 13 (→Solution 1)
- 23:19, 19 December 2009 (diff | hist) . . (-35) . . 1987 AIME Problems/Problem 13 (→Solution)
- 23:19, 19 December 2009 (diff | hist) . . (-168) . . m 1987 AIME Problems/Problem 13 (→Solution)
- 20:50, 19 December 2009 (diff | hist) . . (-22) . . 1986 AIME Problems/Problem 15 (→Solution)
- 20:49, 19 December 2009 (diff | hist) . . (-21) . . 1986 AIME Problems/Problem 15 (→Solution)
- 20:49, 19 December 2009 (diff | hist) . . (+5) . . Determinant (→Equivalence of Definitions)
- 20:48, 19 December 2009 (diff | hist) . . (-5) . . Determinant (→Equivalence of Definitions)
- 20:38, 19 December 2009 (diff | hist) . . (-7) . . 1986 AIME Problems/Problem 12 (→Solution)
- 00:08, 19 December 2009 (diff | hist) . . (-21) . . Linear congruence (→Solution 1)
- 00:08, 19 December 2009 (diff | hist) . . (+21) . . m Linear congruence (→Solution 1)
- 00:39, 15 December 2009 (diff | hist) . . (-4) . . Law of Tangents (→Proof)
- 00:39, 15 December 2009 (diff | hist) . . (+4) . . Law of Tangents (→Proof)
- 00:39, 15 December 2009 (diff | hist) . . (-5) . . Law of Tangents (→Proof)