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jan 1, 1961 - Изобретение арифмометра.

Description:

Арифмометр - настольная вычислительная машина для выполнения арифметических действий. Была изобретена Б. Паскалем

Added to timeline:

Мария

ByМария Рыжикова

10 Dec 2017

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451

Date:

jan 1, 1961

Now

~ 65 years ago

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