It’s possible quite a few of our older readers will remember the period from the 1960s into the ’70s when an electronic calculator was the cutting edge of consumer-grade digital technology.

In the course of the 1970s, handheld electronic calculators transformed the way tens of millions of people did arithmetic. Engineers abandoned slide rules, business people gave up desktop calculating ...

However, for some of our tests, she warned us that we were not going to be permitted to use any kind of electronic calculator for the test. She gave us a sheet with the instructions for the test ...

The Curta calculator, invented by Curt Herzstark during his imprisonment in a Nazi concentration camp. (Photo courtesy of ...

Those of you with an interest in microcomputer history will know that there is a strong crossover between the path of electronic calculator evolution and the genesis of the integrated CPU.

Editor's note: Our good friend Max is looking for any suggestions for electronic calculators and solvers. Nothing's too great or too small. Let him know which you think might be worth including in ...

The calculator’s “C” button—the one that clears input—was gone. The “C” itself had been cleared. The “C” button’s function is vestigial. Back when calculators were commercialized, starting in the ...