User contributions
- 13:48, 28 July 2024 (diff | hist) . . (+44) . . m Oklahoma MathCounts (current)
- 21:27, 22 January 2020 (diff | hist) . . (-72) . . Alcumus (→Notations & Rules)
- 21:26, 22 January 2020 (diff | hist) . . (+72) . . Alcumus (→Notations & Rules)