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11 Calculators That Show How Far Computing Has Come in

Excluding the abacus or slide rule, the first mechanical calculator was invented by French inventor, Blaise Pascal in 1642. It could add or subtract two numbers or divide and

The History of Calculators: Evolution of the Calculator (Timeline)

Pascaline, also called Arithmetic Machine, the first calculator or adding machine to be produced in any quantity and actually used. The Pascaline was designed and built by the

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The History Of The Calculator

By 1954, IBM had built the first all-transistor calculator: the IBM 608, built with germanium transistors instead of silicon. It was the size and shape of several refrigerators rubber-banded together, and it would set you back

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