▲ 30 ▼ Mental arithmetic competition of the 2026 Zhongzhou Cup (lemmy.today) submitted 3 months ago by sanitation@lemmy.today to c/interestingasfuck@lemmy.world 13 comments fedilink hide all child comments
[–] TranscendentalEmpire@lemmy.today 1 point 3 months ago I mean you can do all of that with a slip stick/slide rule. permalink fedilink source parent