While we might have started out using our fingers and toes to count, humanity has been busy designing machines to help with calculations for hundreds of years. From early counting devices to modern ...

Hewlett-Packard has given new life to its calculator history through applications for the iPhone and Windows. They're practical, but not cheap. Stephen Shankland worked at CNET from 1998 to 2024 and ...

Scientific calculators can perform all the functions of a basic calculator as well as execute far more complex mathematical functions and equations. The ability to solve polynomials and simultaneous ...