Purpose-built tools tend to work much better for their purpose than devices that try to do everything. The days of the standalone calculator are nearly gone, though, so what am I going to do?

Note: all programs here were done for fun/educational purposes and I deactivated them in accordance with test taking policies (for example during standardized test), if you want to use them do so at ...

ZDNET Recommends': What exactly does it mean? ZDNET's recommendations ... These high-quality calculators have everything from touchscreens to 3D color displays. If you are or have a student ...

Long before the hand-held calculators, there was the millionaire ... added to the accumulator by turning the crank. The carriage does not move, and the counter mechanism does not operate.