User contributions
- 09:51, 14 September 2025 (diff | hist) . . (+449) . . explain xkcd:Community portal/Technical (→Upgrading MediaWiki)
- 21:39, 8 September 2025 (diff | hist) . . (+197) . . 2606: Weird Unicode Math Symbols (Angle with zig zag: added description from 1950/60s sources that call it the symbol for azimuth. Corrected the "proof by contradiction" it doesn't say that anywhere, but rather that it contradicts a right-angle. Read the linked discussion.)
