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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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18 giug 1642 anni - Pascaline was invented.

Descrizione:

the first calculator or adding machine to be produced in any quantity and actually used. Used metal wheels and spokes to input numbers then it could add or subract them.

Aggiunto al nastro di tempo:

INtro project

Byhunter
10 ott 2017
0
0
500

Data:

18 giug 1642 anni
Adesso
~ 383 years ago

Immagini:

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