Pascal invented the numerical wheel calculator called the Pascaline to help his father count taxes.
1642
Blaise Pascal along with Wilhelm Schickard was one of two inventors of the mechanical calculator in the early 17th century. Pascal designed the machine in 1642.
Blaise Pascal in 1642
1642 - 1645
in 1642
the pascaline
Blaise Pascal
Blaise Pascal invented the calculator in 1642, France
In 1642 Blaise Pascal who was both a mathematician and a philosopher invented a very basic adding machine
a mechanical adding machine.
1642
I believe he was a mathematician who invented the mechanical adding machine in 1642.