Who invented the first slide rule?

Answer The inventor of the first slide rule was the English mathematician and Anglican clergyman William Oughtred, who lived from 1575 to 1660. His slide rule was circular; the straight slide rule was a l... Read More »

Top Q&A For: Who invented the first slide rule

In what year was the slide rule invented?

The slide rule was invented in approximately 1622 by William Oughtred. Oughtred took two straight logarithmic scales, created in 1620 by Edmund Gunter, and placed them side by side. He was then abl... Read More »

How to Use a Slide Rule?

Suppose you want to compute 8+15 but you forgot how to add. Would it help if you had two yardsticks? Then you could just line them up so that they are offset by 8 inches. If the 0 lines up with the... Read More »

Uses of a Slide Rule?

Slide rules are essentially analog computers, once widely used for the same purpose as modern digital calculators. These mechanical devices are composed of sliding scales that allow users to perfor... Read More »

What is a slide rule pass?

A "slide-rule pass" is a colloquially expression used by sportswriters, commentators and fans to describe a pass in the game of soccer. British sportswriter Simon Barnes explains that the term is a... Read More »