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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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18 jun 1642 año - Pascaline was invented.

Descripción:

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.

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Byhunter
10 oct 2017
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fecha:

18 jun 1642 año
Ahora mismo
~ 383 years ago

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