Why not spruce up the scientific calculator of yore with the wonders of modern microcontrollers? While you won’t be able to use Sci-Calc on a standardized test, this classy calculator will let ...

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 ...

But if you can’t justify a $150 calculator, there are some cheap and even free options out there to get the experience. To start with, HP has a free app that runs on Windows or Mac that works ...