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Calculator, machine for automatically performing arithmetical operations and certain mathematical functions.
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He had been thinking about designing a better calculating machine, but he was advised by a calculator manufacturer in 1937 that the field was a dead end and that every computing problem had already been solved.
The calculating machines on display go back to an image of the "Stepped Reckoner," a four-function calculator invented by Leibniz in the late 17th century that influenced calculator designs for almost 300 years.
Systems with these capabilities will transform our view of computers from "calculators" to "machines that learn", a shift that will radically alter our expectations of what computing is and the nature of problems it should help us solve.
The first calculator or adding machine to be produced in any quantity and actually used was the Pascaline, or Arithmetic Machine, designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644.
Use your mind more instead of using a calculator or adding machine.
For instance, unlike many retails shops where a basic calculator or adding machine may provide for measuring revenues and expenses in cash flows, a lending or housing business may rely on a very different calculator with loan amortization functions.
In Wisconsin, election officials have to use calculators to add machine tallies individually in about 1,500 polling places.
"It's like buying a calculator or a fax machine," she said).
"As far as I'm concerned, all they need right now is a calculator, a check-writing machine and someone to sign the checks," Mr. Schaitberger said yesterday.
In "Genius," his biography of Feynman, James Gleick describes the Marchant calculator as "a clattering machine nearly as large as a typewriter, capable of adding, subtracting, multiplying, and with some difficulty dividing numbers of up to ten digits".
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