Calc: arbitrary precision C-like arithmetic & calculator
A JavaScript library for arbitrary-precision decimal arithmetic
Arbitrary-precision CRC calculator and algorithm finder
A powerful arbitrary-precision calculator.
A Portable General-Purpose Computer Algebra System
C++ BigInt class enables to work with arbitrary precision integers
Pure-python binary fixed-point arithmetic library
Computer calculations made easy
Multiple Precision Arithmetic in C.
Software for exact computing based on interval arithmetic.
A library for working with various complex numbers in Java.
This is a multiplatform program to calculate pi.