Unless you are above a certain age, the only time you may have seen a slide rule (or a slip stick, as we sometimes called them) is in the movies. You might have missed it, but slide rules show up ...

We start off with a device that once was essential to higher-level math, in school and in the workplace, but now has all but disappeared: The slide rule. "Take your batteries out," Jim Hus says ...

Before there were apps for tablets and smartphones, before mathematics education software was easily installed on personal computers, before electronic calculators entered professional practice and ...

Primarily for multiplication and division, the slide rule has two stationary sets and one sliding set of numbers in the center. To multiply, numbers are added; to divide, numbers are subtracted.

In 1622, William Oughtred created the first slide rule, a simple and easy-to-use calculation device consisting of two parallel logarithmic rulers that can slide past each other. Slide rule ...

By Alex Traub For about 350 years, humanity’s most innovative hand-held computer was something called a slide rule. As typewriters once symbolized the writer, slide rules symbolized the engineer.

Engineers are probably more grandiose in their dreams than most major poets or opium smokers. Since that ambitious and ill-fated building project, the Tower of Babel, they have thought up endless ...

The 10-slide rule made sense in the context where some founders were still using MBA-style business plans that run 50 to 60 pages and still fail to get to the meat of things. A year ago ...

Playgrounds are for everyone, not just your kids. So in my house, the rule is you have to go down the slide at the playground ...

Demonstrations of both are included in the video below. While Genaille’s Rods have gone the way of the slide rule, we can’t help but wonder how many engineers and scientists carried around a ...