Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite a ...

Mechanical calculators are an engineering marvel unknown to most people. The most advanced mechanical calculator ever built, the Curta calculator, fits into the palm of your hand and uses dozens of ...

Remove the outer casing on the Monroe PC-1421, a 1964 mechanical calculator, and this is what you’ll find. Courtesy of Kevin Twomey Mark Glusker had heard rumors about the mechanical calculator, a ...

Dividing by zero is complicated and we all know it's something you can't and shouldn't do. The simple—but still not perfect—explanation is that if you divide something by zero, the answer approaches ...

Today, if you want to teach kids the art of counting to one, you’re going to drag out a computer or an iPad. Install Scratch. Break out an Arduino, or something. This is high technology to solve the ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. This article is more than 4 years old. The Blossom White ...