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1 gen 1642 anni - The Pascaline

Descrizione:

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.

Aggiunto al nastro di tempo:

The Calculator

ByMarshall
13 set 2017

Data:

1 gen 1642 anni
Adesso
~ 382 years ago

Immagini:

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