History of Early Calculating Machines - Pre-computers

  • Jan 1, 1500

    3000 BC Abacus Invented

  • Jan 1, 1500

    80 AD - bronze mechanical lunar month calculator constructed in Greece

  • Note worthy: Donuts invented in Holland - Holes in donuts came in 1850

    Holes in donuts came in 1850
  • Period: to

    History of Mechanical Computing

  • First slide ruler invented - William Oughtred

  • Calculating clock invented for multiplying large numbers - Wilhelm Schickard

  • Adding machine invented - Blaise Pascal Note worthy:Galileo Dies, Isacc newton born.

  • mechanical calculator built - Samuel Morland

  • Introduction of Binary Mathematics - Gottfried Leibnez

  • Sandwich is first created

  • first to build and sell calculating machines accurate to 12 digits - Phillip-Malthus Hahn

  • Multiplying calculator invented - Earl of Stanhope

  • Note worthy: invention of the automated loom which used punch cards to reproduce complex patterns

  • First mass marketed calculating mahine -Thomas de Colmar's Arithmometer

  • Charles Babbage begins work on Difference Enging

  • Type Writer patented -

  • Telegraph invented - Sameil B Morse

  • Babbage begins work on the analytical machine

  • First programmer - Lord Byron's daughter, Ada, countess of Lovelace suggests to Babbage that he use binary code

  • Boolean Logic developed - George Boole

  • First printing calculator invented - Scheutz

  • Noteworthy: Potato chips invented

  • Noteowrthy: Macine gun invented - George Gattling

  • Telephone invented - Alex Bell

  • Noteworthy: Coca-cola invented

  • First punch card data processing machine introduced - Herman Hollerith

    Use to compile information for the 1890 US Census
  • Noteworthy: first baseball cards issued

  • First adding machine with printer - William Burroughs

  • Magnetic recording invented

  • Tabulating Machine Company started - Hollerith

  • Vacuum tube invented - William DeForest

  • Hollerith's company merges to become the Calculating, Tabulating and Recording Company

  • Noteowrthy: Einstein publishes his Theory of Relativity

  • the Calculating,Tabulating and Recording Company changes it name - IBM started.

  • IBM adopts 80 column punch card used for next 50 years.

  • SPAM is introduced in America - NO, not fake email!

  • Electric Typewrite introduced - IBM

  • Noteworthy: David Packard and William Hewlett start HP in thier garage.

  • First programable calculating machine completed. Konrad Zuse