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17h 44min, jan 1, 1942 y - Calculadora de Pascal (1642)
Description:
Blaise Pascal inventó una máquina de sumar mecánica para ayudar a su padre a calcular impuestos.
Added to timeline:
Luia
By
Luis Dominguez
9 Nov 2017
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0
593
Date:
17h 44min, jan 1, 1942 y
Now
~ 84 years ago
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