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11 gen 300 anni a. C. - Ábaco

Descrizione:

Primer dispositivo manual que consiste en un conjunto de ranuras que se deslizan piezas de piedra o madera, que según la posición y cantidad, permiten realizar fundamentalmente sumas y restas.

Aggiunto al nastro di tempo:

Precursores de las computadoras.

ByNatalia Molina
24 ago 2018
0
0
360

Data:

11 gen 300 anni a. C.
Adesso
~ 2327 years ago

Immagini:

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