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    The amazing history of mechanical calculators
    The amazing history of mechanical calculators
     Amazing but Doomed
    Amazing but Doomed
    Ancient history

    The desire to economize time and mental effort in arithmetical computations, and to eliminate human liability to error, is probably as old as the science of arithmetic itself. This desire has led to the design and constructio… See more

    The 17th century

    The 17th century marked the beginning of the history of mechanical calculators, as it saw the invention of its first machines, including Pascal's calculator, in 1642. Blaise Pascal had invented a machine which he presented … See more

    The 18th century

    The 18th century saw the first mechanical calculator that could perform a multiplication automatically; designed and built by Giovanni Poleni in 1709 and made of wood, it was the first successful calculating clock. For a… See more

    The 19th century

    Luigi Torchi invented the first direct multiplication machine in 1834. This was also the second key-driven machine in the world, following that of James White (1822).
    The mechanical calculator industry started in 1851 … See more

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