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A slide rule is a hand -operated mechanical calculator consisting of slidable rulers for evaluating mathematical operations such as multiplication, division, exponents, roots, logarithms, and trigonometry. It is one of the simplest analog computers. [1] [2]
Jun 7, 2023 · Reviewed by Grace Imson, MA. Last Updated: June 7, 2023 Fact Checked. To someone who doesn't know how to use it, a slide rule looks like a ruler designed by Picasso. There are at least three different scales, and on most of them the numbers aren't even spaced evenly apart.
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Slide rule, a device consisting of graduated scales capable of relative movement, by means of which simple calculations may be carried out mechanically. Typical slide rules contain scales for multiplying, dividing, and extracting square roots, and some also contain scales for calculating.
- The Editors of Encyclopaedia Britannica
So, What Is A Slide Rule? Slide rules are typically rectangular and about the size of a ruler. They are divided into thirds, the top and bottom are fixed in place, but the middle section...
Learn about the history and diversity of slide rules, analog computing devices that were widely used until the 1970s. Explore over 200 slide rules from different countries, materials, shapes, and purposes in the Mathematics Collection.
To buy or trade slide rules get great slide rule links, go to: http://www.comcen.com.au/~adavie/slide/ To download slide rule software for Windows: http://www.comcen.com.au/~adavie/slide/download.html. Try using a slide rule! - Interactive Java slide rule http://www.comcen.com.au/~adavie/javaslide/javaslide.html
Feb 16, 2019 · Learn how William Oughtred and other inventors created the slide rule, a calculating tool based on logarithms and logarithmic scales. Find out how the slide rule evolved and when it was replaced by electronic calculators.
