What is a slide rule pass?

Answer 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 »

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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 »

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 »

How to Use a Bezel Slide Rule?

Many pilot's watches made make use of a circular slide rule on the bezel of the watch. These were used by pilots to do simple arithmetic, conversions and other calculations in an era before GPS and... Read More »

Who developed the slide rule?

William Oughtred invented the slide ruler in 1622. Born in 1574, Oughtred was an Anglian minister educated at Eton School and King's College in England, from which he received a Master of Arts degr... Read More »