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 ...

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: ...

The interactivity of today's graphical Web browsers offers serious advantages to the engineer or electrician in the field. For example, you might find a form-based online calculator that gives you a ...

What comes to your mind when you think of engineers? In my father’s days, there was a generalization that all engineers carried a slide rule. Early on in my career, calculators were popular items to ...