The Pascal calculator (1 janv. 1642 – 14 h 49 min, 1 juill. 2019 ans)
Description:
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.
Ajouté au bande de temps:
Date:
1 janv. 1642
14 h 49 min, 1 juill. 2019 ans
~ 377 years