- A2X Logiciels
FTP site for Pari/GP and GALP.
- 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.
- CLN - Class Library for Numbers
C++ library by Bruno Haible.
- ECMNET
Elliptic curve factoring software.
- 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.
- FTP Sites, Calculator Programs and Archives
In the Number Theory Web.
- Galois
An algebra/number theory package by R. Lidl, R. W. Matthews and R. Wells.
- 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.
- HiPiLib - High Performance Libraries
Home of PIOLOGIE, a library for arbitrary precision arithmetic, operating on natural, integer and rational numbers.
- Implementations of Extended LLL
By Wilberd van der Kallen.
- Java PHASER Project
An application for numerically and graphically analyzing dynamical systems.
- Jim Howell Software
Large integer arithmetic.
- 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.
- 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.
- Mersenne Prime Freeware
Freeware to search for Mersenne Primes. Pointers to FreeLIP, GMP, HFloat, apfloat, CALC.
- 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.
- Schulenberg and Associates
Factoring programs. Windows, free download.
- Scientifica Applications on Linux
Number theory software section. Pages for several popular packages.
- SIMATH
Computer algebra system for number theoretic applications.
- Software Packages of Interest to Number Theory
Links maintained by John Cremona.
- ZEN
A toolbox for computation in finite rings, by Florent Chabaud and Reynald Lercier. ANSI-C source, free download, GPL.
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