Wearable Abacus from the Qing Dynasty 1644 CE -1912 CE
https://dataphys.org/list/wearable-abacus-from-the-qing-dynasty/Open linkView original on aussie.zone
Syndicated from the fediverse. Read and engage on the original instance.
View original on aussie.zone
2 replies
“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!”
Cool af, but my blind ass would never be able to work with that XD