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 ...

Back-to-school season isn’t just about notebooks and backpacks. For students heading into algebra, calculus, engineering, accounting, or college-level math courses, the right calculator can make a ...

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 ...