Watch as a frustrating math problem inspires a creative journey from paper to precision engineering. See how a simple ...

This file type includes high resolution graphics and schematics. You can build an analog calculator using a pulse-width modulator (PWM) to perform accurate four-quadrant multiplication and division.

Forget the upcoming presidential election or Madonna's new movie. The next time you want to pick an argument with someone, tell them our country's schoolchildren should be using pocket calculators ...

Calculators’ effectiveness in mathematics classes, long a source of debate, depends in large measure on students’ pre-existing knowledge of basic math, a recent study found. Researchers who examined ...

1895: Otto Steiger receives a patent for his Millionaire calculating machine. It may not have been fruitful, but it multiplied. Steiger, a German who lived in Munich, invented his machine in 1893. It ...

Japan's Casio Computer Co. is going back to basics--in emerging markets, at least. While the maker of G-shock watches has decided to jump into the still-infant smartwatch market in Japan and the U.S., ...

Berhampur, Aug. 29: Use the calculator to multiply any six-digit number with a single-digit number and you will arrive at the correct answer in a few seconds. Try it without the aid of a calculator ...