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 ...

Many are calculators, including “a four-function, scientific, and graphing calculator.” The calculators are free to the public and can be accessed with a computer, tablet, or other personal ...

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 ...