# User contributions

- 20:43, 1 February 2012 (diff | hist) . . (0) . . Descartes' Circle Formula (Naming irregularity corrected)
- 20:00, 19 October 2011 (diff | hist) . . (-1) . . m Orthocenter (→Proof of Existence: Probably was a typo, but caused a major logical fluke.)
- 12:32, 18 September 2011 (diff | hist) . . (0) . . m AoPS Wiki talk:Problem of the Day/September 18, 2011 (→Solution: Typo.) (current)
- 18:35, 14 September 2011 (diff | hist) . . (+1) . . Combination (→Derivation: Clarification)
- 13:50, 20 August 2011 (diff | hist) . . (+4) . . m 2007 USAMO Problems (Link is proper.)
- 19:02, 21 July 2011 (diff | hist) . . (0) . . m Orthocenter (1-letter fixes things.)
- 17:00, 26 June 2011 (diff | hist) . . (0) . . m United States of America Mathematical Talent Search (Rule change.)
- 21:04, 6 April 2011 (diff | hist) . . (+416) . . 2010 USAJMO Problems/Problem 1 (Continued fixing solution 2. What's "feta"? I might fix those "obviously" abuses later.)
- 20:53, 6 April 2011 (diff | hist) . . (-262) . . 2010 USAJMO Problems/Problem 1 (Made technical edits to second solution: 1) No need to restate problem twice 2) Diverted the two pairs of double-definition variables (k and n) 3) Fixed some wording issues (p can be 1, a square), etc)
- 18:55, 5 April 2011 (diff | hist) . . (+57) . . m 2010 USAMO Problems/Problem 5 (Added USAMO box.)
- 18:54, 5 April 2011 (diff | hist) . . (0) . . 2010 USAMO Problems/Problem 4 (Again, oops. Fixed box.)
- 18:53, 5 April 2011 (diff | hist) . . (+57) . . m 2010 USAMO Problems/Problem 4 (Added USAMO box)
- 18:53, 5 April 2011 (diff | hist) . . (0) . . m 2010 USAMO Problems/Problem 3 (Oops. Fixed.)
- 18:52, 5 April 2011 (diff | hist) . . (+57) . . m 2010 USAMO Problems/Problem 3 (USAMO box added)
- 18:50, 5 April 2011 (diff | hist) . . (+59) . . m 2010 USAMO Problems/Problem 2 (Added USAMO box.)
- 18:46, 5 April 2011 (diff | hist) . . (+19) . . m 2010 USAMO Problems/Problem 1 (Fixed USAMO box. Also changed British "anti-clockwise" to American "counterclockwise".)
- 19:52, 3 April 2011 (diff | hist) . . (-16) . . m 2011 AIME I Problems/Problem 12 (Multiple grammatical fixes based on subject-verb number agreement and several other corrections.)
- 19:39, 3 April 2011 (diff | hist) . . (+17) . . m 2011 AIME I Problems/Problem 8 (...'s really fixed.)
- 19:37, 3 April 2011 (diff | hist) . . (-165) . . 2011 AIME I Problems/Problem 8 (→Problem: ...Ok, now it)
- 19:36, 3 April 2011 (diff | hist) . . (-13) . . m 2011 AIME I Problems/Problem 8 (→Problem: Fixed graphic error.)
- 18:14, 21 March 2011
(diff | hist) . .
**(+1,136)** . . N 2011 AIME I Problems/Problem 7 (Created page with '== Problem 7 == Find the number of positive integers <math>m</math> for which there exist nonnegative integers <math>x_0</math>, <math>x_1</math> , <math>\dots</math> , <math>x_{…') - 17:51, 21 March 2011 (diff | hist) . . (+4) . . m 2011 AIME I Problems/Problem 6 (Fixing the AIME box by adding a variable.)