1st mathematical device
Made of bone and stone made for multiplications or divisions.
1st antecedent of a computer being mechanical and automatic.
Mechanical loop 1st object to process things that isn´t math.
Charles Babbage created a automatic mechanical calculator that could do adds and subtractions.
Babbage's difference engine, a design for a simpler mechanical computer.
The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards.