OpenScience / Software / Mathematics / Number Theory

C++ BigInt class enables the user to work with arbitrary precision integers Find C++ BigInt class at: https://sourceforge.net/projects/cpp-bigint/

The HUGE-FLOAT package. It’s for computations with very long (huge!) floating point numbers. With hfloat you can compute pi to several million digits. Find HFLOAT at: http://www.jjj.de/hfloat/

apfloat is a high-performance C++ arbitrary precision arithmetic package Find apfloat at: http://www.jjj.de/mtommila/apfloat/

NTL is a high-performance, portable C++ library providing data structures and algorithms for manipulating signed, arbitrary length integers, and for vectors, matrices, and polynomials over the integers and over finite fields. Find NTL at: http://www.shoup.net/ntl/

A Class Library for Numbers – Includes a rich set of number classes: Integer (unlimited precision), rational, short float, single float, double float, long float (unlimited precision), complex, modular integer, univariate polynomial. Find CLN at: http://www.ginac.de/CLN/

PARI-GP is a software package for computer-aided number theory. Find PARI-GP at: http://www.parigp-home.de/