User contributions
- 06:34, 9 August 2023 (diff | hist) . . (+10) . . Talk:1366: Train (Edit of comment) (current)
- 16:31, 31 August 2021 (diff | hist) . . (+253) . . Talk:2509: Useful Geometry Formulas (Show the 3D shapes? ;-))
- 11:56, 31 August 2021 (diff | hist) . . (+665) . . Talk:2509: Useful Geometry Formulas (→3D formulae for reference:)