The first counting device, it was made by the arabs
Invented by John Napier and it is used for math and multiply
Created by Blaise Masculine. First calculator ever made
It was the first automatic loom to ever be made, it worked by punching holes through cards
It was an automatic mechanical calculator to tabulate polynomial functions.
Created by Charles Babbage
Designed by an English Mathematician. It was able to multiply and divide. 10 years later after Difference Engine
it was an electromechanical machine with was designed to assist in summarizing information stored on punched cards.