Wilhelm Schickard designed and manufactured the 1st Operating mechanical calculator in 1623.[seventeen] In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, known as the Stepped Reckoner.[eighteen] Leibniz can be viewed as the primary computer scientist and information theorist, because of several causes, such as the fact that he documented the https://computer-science87211.blogpixi.com/29086499/software-engineering-for-dummies