Wilhelm Schickard built and made the 1st Operating mechanical calculator in 1623.[seventeen] In 1673, Gottfried Leibniz demonstrated a electronic mechanical calculator, called the Stepped Reckoner.[18] Leibniz could possibly be deemed the primary computer scientist and information theorist, because of many causes, such as the incontrovertible fact that he documented the https://softwareengineering21830.blog-ezine.com/28918557/software-engineering-for-dummies