User contributions
- 07:56, 22 October 2021 (diff | hist) . . (+19) . . 804: Pumpkin Carving (→Explanation)
- 07:43, 22 October 2021 (diff | hist) . . (+19) . . 697: Tensile vs. Shear Strength (→Explanation)
- 07:04, 18 October 2021 (diff | hist) . . (+172) . . 2529: Unsolved Math Problems