User contributions
- 01:37, 19 November 2022 (diff | hist) . . (+536) . . Talk:2700: Account Problems
- 21:24, 24 September 2021 (diff | hist) . . (+190) . . Talk:2520: Symbols
- 11:13, 4 August 2021 (diff | hist) . . (+114) . . Talk:2497: Logic Gates