Based on Texas Instruments’ popular TI-30XS MultiView scientific calculator, the Orion TI-30XS represents a more inclusive STEM (science, technology, engineering and math) education for students with ...

Here is a useful and free Website that just came to my attention: Calculator Edge. It uses a fill-in-the-blanks, push-a-button approach to solving problems in a wide range of engineering disciplines: ...

Editor’s note: Also see Ken Coffman’s blog: The HP15C returns as an iPhone app. With the emergence of hand-sized computers, calculators have lost some of their former prominence, yet they continue to ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is an engineering prototype for ...

Get the latest info on technologies, tools and strategies for Design Engineering Professionals. Browse the most current issue of Design World and back issues in an easy to use high quality format.

In electrical systems, impedance mismatches cause some of the transmitted energy to be reflected back to its source. The frequency of the signal determines the amount of energy that is reflected.

Even if almost tragically impractical in a world where digital calculators are cheap as chips, mechanical calculators and ...

The Curta works by sliding setting knobs on the sides—each knob represents a digit—and turning the crank at the top to perform an equation. At first glance, the Curta mechanical calculator looks like ...