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1 mar 2500 año aC - Inventory of the abacus

Descripción:

The abacus “the first automatic computer” is the earliest known tool of computing,invented in Babylon
*the first type of culculater

Añadido al timeline:

Andy Han's computer timeline

Bythree zhang
31 ene 2018
0
0
312

fecha:

1 mar 2500 año aC
Ahora mismo
~ 4527 years ago
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