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Slide rule
01
a mechanical analog device used for mathematical calculations, consisting of two logarithmic scales that slide past each other
Example
Before the advent of calculators, engineers and scientists relied on slide rules for complex calculations.
The architect used a slide rule to scale down the dimensions of the building blueprint.
She inherited her grandfather's slide rule, which he used during his engineering career.
The physics student mastered the use of the slide rule to solve problems in his experiments.
He demonstrated how to perform multiplication and division using a slide rule during the math class.
