A device consisting of several rods divided into ten squares,each labeled with two numbers,with the rods positioned according to the numbers in the calculation,is a(n)____.
A) slide rule
B) algorithm
C) abacus
D) Napier's Bones

Question

Quizplus · Accepted Answer

Napier's Bones is a calculating tool consisting of rods with numbers used for multiplication and division, invented by John Napier.

A Device Consisting of Several Rods Divided into Ten Squares,each