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  2. Pascaline - Wikipedia

    en.wikipedia.org/wiki/Pascal's_calculator

    Pascaline (also known as the arithmetic machine or Pascal's calculator) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen. [2]

  3. Blaise Pascal - Wikipedia

    en.wikipedia.org/wiki/Blaise_Pascal

    In 1642, in an effort to ease his father's endless, exhausting calculations, and recalculations, of taxes owed and paid (into which work the young Pascal had been recruited), Pascal, not yet 19, constructed a mechanical calculator capable of addition and subtraction, called Pascal's calculator or the Pascaline.

  4. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    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. [4] [16] Blaise Pascal had invented a machine which he presented as being able to perform computations that were previously thought to be only humanly possible. [17]

  5. Adding machine - Wikipedia

    en.wikipedia.org/wiki/Adding_machine

    Blaise Pascal and Wilhelm Schickard were the two original inventors of the mechanical calculator in 1642. [1] For Pascal, this was an adding machine that could perform additions and subtractions directly and multiplication and divisions by repetitions, while Schickard's machine, invented several decades earlier, was less functionally efficient ...

  6. History of computing hardware - Wikipedia

    en.wikipedia.org/wiki/History_of_computing_hardware

    View through the back of Pascal's calculator. Pascal invented his machine in 1642. In 1642, while still a teenager, Blaise Pascal started some pioneering work on calculating machines and after three years of effort and 50 prototypes [18] he invented a mechanical calculator. [19] [20] He built twenty of these machines (called Pascal's calculator ...

  7. 1642 in science - Wikipedia

    en.wikipedia.org/wiki/1642_in_science

    19-year-old Blaise Pascal begins to develop the Pascaline, the first practical mechanical calculator, initially to help with the recording of taxes. [ 1 ] Exploration

  8. Blaise Pascal on Christian and Jew - AOL

    www.aol.com/news/blaise-pascal-christian-jew...

    Pascal’s conversion experience, with its distinctly Mosaic overtones, would eventually lead him to show that Christianity’s firmest foundation is the sanctity of Judaism, both past and present.

  9. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    The Renaissance saw the invention of the mechanical calculator by Wilhelm Schickard in 1623, [9] and later by Blaise Pascal in 1642. [10] A device that was at times somewhat over-promoted as being able to perform all four arithmetic operations with minimal human intervention. [11]