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The Arithmometer (1 Jan 1820 Jahr – 31 Dez 1820 Jahr)

Beschreibung:

The arithmometer was invented by Thomas de Colmar. It was the first mechanical calculator. It used rotating drum to perform calculations. This device kicked off the start of the mechanical calculator industry.

Zugefügt zum Band der Zeit:

History of Calculators

BySophia Myong
26 Okt 2019
0
0
259

Datum:

1 Jan 1820 Jahr
31 Dez 1820 Jahr
~ 12 months

Abbildungen:

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