The Pascal calculator (1 Jan 1642 Jahr – 14 St. 49 Min, 1 Jul 2019 Jahr)
Beschreibung:
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.
Zugefügt zum Band der Zeit:
Datum:
1 Jan 1642 Jahr
14 St. 49 Min, 1 Jul 2019 Jahr
~ 377 years