User contributions
- 23:40, 3 January 2020 (diff | hist) . . (-1) . . m 2013 AMC 12B Problems/Problem 18 (Changed "What" into "When")
- 18:39, 22 February 2019 (diff | hist) . . (-74) . . 2005 AMC 8 Problems/Problem 18
- 17:06, 7 August 2018 (diff | hist) . . (+9) . . N Dirichlet character (dsfdddddddddddddddddddddddddddddssssssssssaffffffffffdsdddddddddddddddddddaddsddddddddddddfssssaddf)