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sep 18, 1818 - появился механический калькулятор

Description:

механический калькулятор- мог не только складывать и умножать, но и вычитать и делить.

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История развития ВТ

ByЕвгений

22 Sep 2017

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Date:

sep 18, 1818

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~ 207 years ago

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