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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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163452
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1 янв 1673 г. - [1673] Gottfried Leibniz invents the Leibniz wheel.

Описание:

Building on Blaise Pascal's work, the Leibniz wheel worked by rotating wheels to add and subtract numbers. This was the first mass produced calculator.

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Дата:

1 янв 1673 г.
Сейчас
~ 351 г назад