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 ...

The app's intuitive user interface allows easy insertion of units for quick solutions of even the most complex calculations. The units of measure that these engineering calculators cover include ...

In the fields of engineering and electrical design as they exist today, the term “calculator” can refer to physical handheld calculators, as well as software tools. As of the 2020s, highly ...