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 ...

While some (math-phobics) still may relish the simple beauty and non-threatening functionality of the abacus, there are those who have made the transition to more challenging computing gadgets—many ...

It is no secret that we like slide rules around the Hackaday bunker, and among our favorites are the cylindrical slide rules. [Chris Staecker] likes them, too, and recently even 3D printed a version.

Most people have heard of or seen slide rules, with older generations likely having used these devices in school and at their jobs. As purely analog computers these ingenious devices use precomputed ...

Before the smartphone, the laptop and the pocket calculator, there was a powerful mechanical computer. Our new series, Tools of the Trade, begins... The Slide Rule: A Computing Device That Put A Man ...

Titaner's new Mix 3.0 ain't your average ruler. The clever dual-scale device boasts attributes such as an extendable measurement system, a measuring caliper, a magnetically retained pen, and a slide ...

It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...

A unique timepiece has been created by Caliper in the form of the Slide Rule , a watch mechanical watch with an integrated slide rule, that comes supplied with a separate circular steel slide rule.

WEST LAFAYETTE, Ind. – Astronauts Neil Armstrong and Jerry Ross, along with about 200 other Purdue University alumni, have added their slide rules to a new exhibit at their alma mater that testifies ...

Used by engineers for centuries, they were displaced by pocket calculators and all but forgotten until Mr. Shawlee created a subculture of obsessives and cornered the market. By Alex Traub For about ...

Yes, there was the massive Saturn V rocket and the LEM and the Command Module we’ve been hearing so much about in the run-up to Saturday’s moon landing 50th anniversary, but Neil Armstrong’s small ...