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Blaise Pascal was the inventor of the mechanical calculator in the early 17th century. Pascal designed the machine in 1642. He was spurred to it when participating in the burden of arithmetical labor involved in his father's official work as supervisor of taxes at Rouen.

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  • Blaise Pascal was the inventor of the mechanical calculator in the early 17th century. Pascal designed the machine in 1642. He was spurred to it when participating in the burden of arithmetical labor involved in his father's official work as supervisor of taxes at Rouen.
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