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Slide Rule Basics

January 10th, 2017 by Math Tricks | Filed under classic films.






Slide Rule – Proportion, Percentage, Squares And Square Roots (1944)

Have you ever used a slide rule?  Have you ever even seen a slide rule?  This awesome film from 1944 shows how to use the slide rule to calculate squares, square roots, proportions and percentages.

 

 

 

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