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1 jan 300 ano antes da era comum - Abacus (300 B.C.-1200 A.D.)

Descrição:

The abacus is a device that dates back from 300 B.C.-1200 A.D. , it has beads/disks that can move up or down in order to help people what they’re calculating.

Adicionado na linha do tempo:

History Of The Computer!

ByJeffrey Guardado
5 dez 2018
1
0
333

Data:

1 jan 300 ano antes da era comum
Agora
~ 2327 years ago

Imagens:

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