How to Use a Slide Rule (with Pictures) - wikiHow
Sep 9, 2025 · 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 …
2.972 How A Slide Rule Works - MIT
The slide rule eased the addition of the two logarithmic displacements of the numbers, thus assisting with multiplication and division in calculations. More functionality was later added such as the ability …
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 …
A More Complete Slide Rule Tutorial : 21 Steps (with Pictures ...
A More Complete Slide Rule Tutorial: A member at Instructables asked me to explain how to use a slide rule for the sake of those who came along about the time electronic calculators replaced slide rules.
William Oughtred (OTT-red) invented the slide rule, which is two logarithmic scales put next to each other. If you put 1 (the multiplicative identity) of one scale against any number on the other scale, you …
n using the slide rule. We'll use the scales labeled C and D. These two scales are laid out so that each number x is log(x) times 6 inches from the left end o the 6 inch long scale. The numbers ver 3.0 on …
The C and D scales on a slide rule uses base 10 logarithms, so if the length of the scale from the 1 on the left hand edge to the 1 on the right hand edge is 1 linear unit and x is a number between 1 and …
Following the Rules — A Slide Rule Collection
This DataFrame-driven web site presents a personal collection of slide rules as well as other useful information about slide rules, their operation and use. Click the arrows (> and <) on each page or use …
Eric's Introduction to the Slide Rule page
At its heart, the slide rule is nothing more than a simple and elegant solution for solving basic mathematical calculations. What I'll attempt to do on this page is to explain where the slide rule came …
In order to use a slide rule, a computer must know: (1) how to read the scales; (2) how to “set” the slide and indicator for each operation to be done; and (3) how to determine the decimal point in the result. …