The Pascal calculator (jan 1, 1642 – 14h 49min, jul 1, 2019 y)
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.
Added to timeline:
Date:
jan 1, 1642
14h 49min, jul 1, 2019 y
~ 377 years