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

Higher quality versions of this film can also be licensed for stock footage. Contact [email protected] for more information. This transcript explains how to use a slide rule, focusing on the C and D scales for multiplication, division, and proportions, and the A and B scales for squares and square roots. It details specific procedures for each operation, including how to handle decimal points and larger numbers by mentally placing them or by using specific techniques with the slide rule. The transcript also provides practical examples, such as converting units and solving geometric problems, to illustrate the slide rule's versatility in solving mathematical problems efficiently. Keywords: Slide rule, multiplication, division, proportion, percentage, squares, square roots, C scale, D scale, A scale, B scale, decimal points, mathematical problems.