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1 ene 1642 año - The Pascaline

Descripción:

Blaise Pascal started to develop a mechanical calculator. Capable of addition, subtraction was performed by nines-complement addition, and multiplication was performed by repeated additions and subtractions. It had shortcomings and failed to sell.

Añadido al timeline:

The Calculator

ByMarshall
13 sep 2017

fecha:

1 ene 1642 año
Ahora mismo
~ 382 years ago

Fotos:

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