Logarithmic slide rule. This adjustable ruler contains the values for logs, which are used to aid multiplication and division. Logarithms are mathemat

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Logarithmic slide rule. This adjustable ruler contains the values for logs, which are used to aid multiplication and division. Logarithms are mathematical functions relating numbers to the powers of a set base number such as ten. Slide-rules have been superseded by the use of electronic calculators.

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Size: 3888px × 2592px
Photo credit: © FRIEDRICH SAURER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -life, adjustable, calculating, calculations, exponential, historical, history, life, log, logarithm, logarithmic, logarithms, logs, mathematical, mathematics, maths, methods, number, numbers, rule, ruler, slide, slide-rule