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See also:

• Computers: Algorithms: Computational Algebra  (59)
• Science: Math: Algebra: Software  (52)
• Science: Math: Software  (512)

Aliquot - A DOS tool to compute aliquot chains with small starting numbers, by Ivo Düntsch..

apfloat - High-performance arbitrary precision arithmetic package for C++ and Java..

ARIBAS - An interactive interpreter for big integer and multi-precision floating point arithmetic with a Pascal/Modula like syntax. It has several builtin functions for algorithmic number theory..

CALC - A calculator program for doing arbitrary precision integer arithmetic, written in ANSI C and Yacc, with a number of built-in functions for number theory, by Keith Matthews..

cBigNumber - Portable C++ class for integers with unlimited range, designed to be fast, functional and simple in use..

CLN - Class Library for Numbers - C++ library by Bruno Haible..

ECMNET - Elliptic curve factoring software..

Encyclopedia of Integer Sequences Seeker - EIS-Seeker is a libguile-based scheme interpreter devoted to the study of the Encyclopedia of Integer Sequences database. It is intended to help find new relations between sequences. C/Scheme, Posix..

Factorizer - A Windows program to find all factors of any positive integer less than 2^31 - 1; decompose numbers into their prime constituents; find prime numbersand pairs of primes; and to plot Erdos-Kac and Palmen Color histograms. Down load free demo, order full version online..

giantint - Library of routines for large integer arithmetic and number theory..

GIMPS FAQ list - About the Mersenne Prime Freeware..

GNU MP Home Page - Free library for arbitrary precision arithmetic..

GNUBC - Supports arbitrary precision integer arithmetic calculations with interactive execution: it is a superior version of the basic bc program which comes with the UNIX operating system. Keith Matthews has written several number-theoretic programs..

Implementations of Extended LLL - By Wilberd van der Kallen..

Java PHASER Project - An application for numerically and graphically analyzing dynamical systems..

KANT / KASH - KANT is a software package for sophisticated computations in number fields and in global function fields. With KASH you are able to use the powerful KANT V4 functions within a shell..

Kaprekar Series Generator - A java application for determining the Kaprekar Constants and Series for numbers in various radixes..

L - A C++ class library, datasets and command line program for computing zeros and values of L-functions, by Michael Rubinstein..

Large Number Arithmetic in BASIC - Library for large-integer arithmetic, plus some number theory modules..

LiDIA - C++ Library For Computational Number Theory..

Magma Computational Algebra System Home Page - A large, well-supported software package for computationally hard problems in algebra, number theory, geometry and combinatorics..

MAGMA/PARI Calculator - Web interface for short programs in either language..

Maple Worksheets by John Cosgrave - A selection of Maple (V.5) worksheets for teaching purposes..

Math Archives Software - Mac/Number Theory section..

Math Archives Software - PC/Number Theory section..

MIRACL - Multiprecision Integer and Rational Arithmetic C/C++ Library..

Multiprecision Software Directory - Fortran multiprecision software by David H. Bailey of Lawrence Berkeley Lab..

NTL: A Library for doing Number Theory - 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..

Number Field Sieve NET - A client/server system for NFSNET by Henrik Olsen..

Number-Theoretic Hacks - Algorithms implemented by David Eppstein..

NZMATH - Python based number theory oriented calculation system, developed at Tokyo Metropolitan University. Downloads, mailing list..

p-adic Arithmetic - A Mathematica package by Stany De Smedt..

Paul's TI-92 Number Theory Archive - Download site for number theory programs adapted from UBASIC/MALM for the TI-92..

SAGE - System for Arithmetic Geometry Experimentation: a framework for number theory, algebra, and geometry, initially designed for computing with elliptic curves and modular forms, by William Stein. Open source under GPL..

Schulenberg and Associates - Factoring programs. Windows, free download..

SIMATH - Computer algebra system for number theoretic applications..

ZEN - A toolbox for computation in finite rings, by Florent Chabaud and Reynald Lercier. ANSI-C source, free download, GPL..