User contributions
- 09:18, 29 November 2021 (diff | hist) . . (+4,305) . . 2021 USAMO Problems (Added problems)
- 16:29, 25 May 2020 (diff | hist) . . (-3) . . m 2013 AMC 8 Problems (Fixed previous edit)
- 16:29, 25 May 2020 (diff | hist) . . (-17) . . m 2013 AMC 8 Problems (Changed another bad edit by user wikjay from 'need help free solution' back to 'solution'.)
- 16:24, 25 May 2020 (diff | hist) . . (-4) . . m 2013 AMC 8 Problems (Minor edit; changed 'So need help' back to 'Solution'.)
