User contributions
- 23:47, 2 December 2015 (diff | hist) . . (+26) . . Nine point circle
- 23:46, 2 December 2015 (diff | hist) . . (+310) . . Nine point circle
- 05:16, 22 September 2015 (diff | hist) . . (-1,257) . . 2001 USAMO Problems/Problem 2 (→Problem)
- 05:09, 22 September 2015 (diff | hist) . . (-4,673) . . 2001 USAMO Problems/Problem 2 (→Solution)