User contributions
- 23:45, 7 August 2021 (diff | hist) . . (+20) . . 2499: Abandonment Function (Category)
- 04:22, 23 October 2015 (diff | hist) . . (+665) . . 1594: Human Subjects (→Explanation)
- 21:11, 25 May 2014 (diff | hist) . . (+234) . . 246: Labyrinth Puzzle (→Explanation: added third solution)
- 06:51, 16 March 2014 (diff | hist) . . (+1,010) . . 526: Converting to Metric (→Explanation: added equivalent non-metric amounts for some values and made a few other changes)
- 06:11, 16 March 2014 (diff | hist) . . (+71) . . 434: xkcd Goes to the Airport (→Explanation: fixed two typos and added explanation of panties)
- 04:49, 12 November 2013 (diff | hist) . . (-54) . . 1026: Compare and Contrast (→Explanation)