A set of rods where numbers were carved and used for multiplication and division aids is known as A) Pascaline B) Napier’s Bones C) Stepped Reckoner D) Slide Rule

A set of rods where numbers were carved and used for multiplication and division aids is known as A) Pascaline B) Napier’s Bones C) Stepped Reckoner D) Slide Rule
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Each set of Napier’s bones consisted of rods. A) 5 B) 9 C) 11 D) 13

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