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1 jan 1200 ano - Suan-Pan Abacus

Descrição:

A Chinese abacus[1] used for performing basic number calculations.

[1] https://www.ee.ryerson.ca/~elf/abacus/history.html

Adicionado na linha do tempo:

history of computing hardware

2 mar 2021

0

0

261

Data:

1 jan 1200 ano

Agora

~ 826 years ago

Imagens:

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