User contributions
- 19:28, 26 December 2017 (diff | hist) . . (-1) . . m 2013 AMC 12B Problems/Problem 13 (→Problem)
- 20:00, 24 December 2017 (diff | hist) . . (+45) . . Descartes' Circle Formula (current)
- 13:18, 21 November 2017 (diff | hist) . . (+2) . . m 1996 AHSME Problems/Problem 25 (→Solution 2 (Geometric))
- 16:28, 11 November 2017 (diff | hist) . . (0) . . m 1997 AHSME Problems (→Problem 15)
- 15:06, 10 November 2017 (diff | hist) . . (+1) . . m 1990 AHSME Problems (→Problem 4)
- 15:05, 10 November 2017 (diff | hist) . . (+1) . . m 1990 AHSME Problems/Problem 4 (→Problem)
