Computer

Computer History

  • Aug 19, 746

    Liang Ling-Can

    Liang Ling-Can
    Liang Ling-Can invents the first fully mechanical clock
  • Period: Aug 19, 746 to

    Computer History

  • Aug 19, 1492

    Leonardo da Vinci

    Leonardo da Vinci
    Drawings by Leonardo da Vinci depict inventions such as flying machines, including a helicopter, the first mechanical calculator and one of the first programmable robots
  • John Napier

    John Napier
    John Napier invents a system of moveable rods (Napier's Rods) based on logarithms which was able to multiply, divide and calculate square and cube roots
  • Calculating Clock

    Calculating Clock
    Invented by Wilhelm Schickard
  • Blaise Pascal

    Blaise Pascal
    Blaise Pascal invents the the "Pascaline", a mechanical adding machine