Blaise Pascal
Pascaline
Blaise Pascal
Pascaline
Pascaline
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.
I think you mean Blaise Pascal and I'm pretty sure he invented the mechanical calculator
blaise pascal invented the calculator
Blaise Pascal
Blaise Pascal
Blaise Pascal
Blaise Pascal in 1623