Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?-A-NapierB-BabbageC-PascalD-LeibnitzE-None of the above-D-Leibnitz

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APTITUDE CRACK · Accepted Answer

The correct option is  D Leibnitz @Mithlesh. Stepped reckoner was the mechanical device used for all basic arithmetic operations.

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Q1: Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?

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Q1: Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?

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