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1 janv. 1379 - Abacus
Description:
The abacus is the first device used for computing numbers.
Ajouté au bande de temps:
Historical timeline of Computing
By
Mrs. Paquette
2 déc. 2019
0
0
282
Date:
1 janv. 1379
Maintenaint
~ Il y a 647 ans
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