Post #1553052
2026-04-22 15:00 UTC
@becomethewaifu That sounds like a take on the "Roman Hand Abacus"
https://www.ee.torontomu.ca/~elf/abacus/roman-hand-abacus.html
I'd love to see a picture if you ever dig yours up :)
Replies (1)
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@becomethewaifu@tech.lgbt 2026-04-22 15:08
@howtophil Found an image online, got the name wrong. It's "Arithma" (And that's also the brand apparently...) A description of how it works is in the alt-text.