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1 jan 2400 ano antes da era comum - Invention of the Abacus

Descrição:

The abacus, a primitive calculator that uses beads to add numbers is invented. It is thought to be invented in Babylon.

Adicionado na linha do tempo:

History of Computer Science

ByCarterP
30 jan 2018

Data:

1 jan 2400 ano antes da era comum
Agora
~ 4427 years ago
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