c/historyartifacts · by brisk@aussie.zone · 78dWearable Abacus from the Qing Dynasty 1644 CE -1912 CE https://dataphys.org/list/wearable-abacus-from-the-qing-dynasty/ 9 points · 2 comments · view on lemmy.world
2 Comments
Cruxifux@feddit.nl · 5 pts · 78d
“You have to learn how to do it without your abacus! You’re not just going to have one on your hand at all times!”
PugJesus@piefed.social · 2 pts · 78d
Cool af, but my blind ass would never be able to work with that XD