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15:49
7224 d84d 500

exeunt-pursued-by-a-bear:

a-mini-a-day:

300-year-old Chinese abacus ring was used during the Qing Dynasty to help traders.
Source
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[18th century Chinese teenager voice]
Haha and teachers said we wouldn’t have a calculator with us everywhere we go

Reposted fromtron tron viastarbug starbug

Don't be the product, buy the product!

Schweinderl