Wilhelm Schickard developed and constructed the 1st working mechanical calculator in 1623.[seventeen] In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, called the Stepped Reckoner.[18] Leibniz could possibly be considered the primary computer scientist and data theorist, as a result of various good reasons, including the incontrovertible fact that he https://software-engineering65298.qodsblog.com/28864257/little-known-facts-about-software-engineering