From the following who invented Slide Rules?
- A. John Napier
- B. Gottfried Leibnitz
- C. William Oughtred
- D. Blaise Pascal
Explanation
William Oughtred invented the slide rule in the 17th century by applying logarithmic scales to multiplication and division. John Napier developed logarithms, which made the slide rule possible, but did not invent the instrument.
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