User contributions
- 19:13, 5 January 2018 (diff | hist) . . (+101) . . 1937: IATA Airport Abbreviations (→Explanation)
- 07:17, 2 June 2017 (diff | hist) . . (-188) . . 1844: Voting Systems (Correcting misunderstanding of Condorcet winner in "third joke" section. There CAN be a Condorcet winner with 3 or more candidates, there just isn't guaranteed to be one. See also "Smith set".)