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 ...

Which scientific calculator is best? Scientific calculators are ideal for complex problem-solving as well as basic arithmetic operations. Students frequently use one in math, science, engineering and ...

Pictured above is the HP-35, Hewlett-Packard’s first pocket calculator and the world’s first scientific pocket calculator. The HP-35 was available from 1972 to 1975, and retailed then for $395 (more ...

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 ...