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22 ч 11 мин, 13 дек 1642 г. - Blaise Pascal invented the mechanical calculator and Pascal's calculator.

Описание:

It showed that math can be used to build general tools to simplify things.

Добавлено на ленту времени:

CP timeline - Tiana Zhao

ByTiana Zhao
30 янв 2018

Дата:

22 ч 11 мин, 13 дек 1642 г.
Сейчас
~ 381 г назад
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