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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 500 año aC - Abacus

Descripción:

What: A manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame.
How: You move the beads to calculate basic math

Añadido al timeline:

Investigating The History Of The Computer Part 1

ByTimothy McKay
11 oct 2017
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0
561

fecha:

1 ene 500 año aC
Ahora mismo
~ 2527 years ago

Fotos:

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