Questions and Answers
What is the name of the mathematician who developed the manually operated calculating device, Napier's Bones?
John Napier
What is the purpose of the rods in Napier's Bones?
To perform multiplication and division
What is the value of a bead when it is brought near the divider in the upper part of the abacus?
Five
What is the purpose of the extra rod in the abacus?
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How many beads are there in the lower part of the abacus?
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What is the value of a bead when it is not near the divider in the abacus?
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In what year was Napier's Bones designed and developed?
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