The evolution of calculating tools: from the abacus to computers
IN BRIEF Origin of the abacus: an ancient calculating tool used since 2000 B.C. Key inventions: William Schickard and his calculating machine in 1623 Blaise Pascal and the Pascaline in 1642 Mechanical machines by Charles Babbage in the 19th century Evolution of tools: From the abacus to the electronic calculator (ENIAC in 1945) Introduction of … Read more