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12 nov 1673 año - Stepped Reckoner

Descripción:

Leibnitz invented it. Never built.
Basic calculator
Basic arithmatic.
A machine tho

Añadido al timeline:

Computers

ByJulien Martel

30 nov 2018

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355

fecha:

12 nov 1673 año

Ahora mismo

~ 352 years ago

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