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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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Mar 12, 2024 · 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.
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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
Additionally, The slide rule does not tell you where the decimal point is located in the answer. To do a calculation with a slide rule you reduce all numbers to scientific notation with 2-4 digits then use the slide rule to perform the basic operations. In a separate calculation you find the order of magnitude by combining the powers of 10.
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Feb 16, 2019 · William Oughtred made the first slide rule by inscribing logarithms on wood or ivory. Before the invention of the pocket or handheld calculator, the slide rule was a popular tool for calculations. The use of slide rules continued until about 1974, after which electronic calculators became more popular.
Oct 22, 2014 · 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...
