The Pascal calculator (1 янв 1642 г. – 14 ч 49 мин, 1 июл 2019 г.)
Описание:
The Pascal calculator was invented in 1642, by French inventor and mathematician Blaise Pascal.It performed calculations through a clock-type of mechanism and it was presented to the public in 1645
They were difficult to produce and so few were ever made. . The machine was designed to add and subtract two numbers directly and to perform multiplication and division through repeated addition or subtraction.
Добавлено на ленту времени:
Дата:
1 янв 1642 г.
14 ч 49 мин, 1 июл 2019 г.
~ 377 years