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20 nov 1674 año - Stepped Reckoner

Descripción:

Gottfried Wilhelm Leibniz creates mechanical calculator that can add, subtract, multiply, & divide.

Añadido al timeline:

Calculator TIme

ByPiston Phantom
10 oct 2018
0
0
364

fecha:

20 nov 1674 año
Ahora mismo
~ 351 years ago
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