A. John Napier
B. Gottfried Leibnitz
C. William Oughtred
D. Blaise Pascal
Submitted by: Imran Aslam Sial
The slide rule was invented by William Oughtred in the 1600’s, but only began to be widely used in the mid 1800’s after a French artillery officer named Amedee Mannheim developed a version that became popular among engineers
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