Calc: arbitrary precision C-like arithmetic & calculator
Free Zip software and Rar extractor
A friendly Forth compiler with a little difference
QxCalc, a scriptable calculator
Command-line calculator and libray.
Calculator++
An HP RPN calculator with interval output
MultiCalculator is a windows software
Arithmetic and calculus with decimal numbers of arbitrary precision.
A simple calculator.
Rpn calculator, string and macro based
RCL, a simulator for Texas Instrument calculators from the 70's.
Command line scientific calculator
A Fast and Useful C++ Library for Easier Handling of Windows API.
A calculator that calculates many different shapes and equations.