Number theory ftp sites/calculator programs/archives

• Algebraic Number Theory Archives
• apfloat: A C++ High Performance Arbitrary Precision Arithmetic Package by Mikko Tommila
• Ian Connell's elliptic curve calculator APECS
• Arageli (C++ library for computations in arithmetic, algebra, geometry, linear and integer linear programming)
• ARIBAS. This is an interactive interpreter for big integer arithmetic and multi-precision floating point arithmetic with a Pascal/Modula like syntax. ARIBAS is used for the examples of number theoretic algorithms in the book Algorithmische Zahlentheorie, Otto Forster, Vieweg 1996
• BC (the exact arithmetic Unix calculator program)
  • BC
  • bc number theory programs (Keith Matthews)
  • BCMath/PHP number theory programs (Keith Matthews)
• CALC (Keith Matthews' number theory calculator)
• Number theory programs for Casio Graphic Calculators (Roy MacLean)
• Class polynomials of CM fields (Annegret Weng)
• Computational Laboratories in Number Theory (CLINT) (Hugh Montgomery)
• Computations on curves of genus2 and their jacobians (Paul Van Wamelen)
• Critical Strip Explorer 0.6 (Matthew Watkins and Raymond Manzoni) A Java applet which allows users to 'manually' explore the behaviour of the Riemann zeta function in and around the critical strip
• Diophantine equation solver for finding zeroes of multivariable polynomials over a prime-order field (Norman Wildberger and Michael Leeming)
• Discriminant Exponent Calculator (John Jones)
• ECPP (François Morain's elliptic curve primality-proving package)
• The ECMNET Project: Find a factor of 50 digits or more by ECM
• EIS, computing Fourier coefficients of Eisenstein series attached to lattices, (M. Kuss and J. Bruinier)
• Elliptic Curve Method (ECM) factorization applet (Dario Alejandro Alpern)
• FactInt, Advanced Methods for Factoring Integers, Version 1.5.2 (Stefan Kohl)
• Factoring software (Schulenberg and Associates Inc.)
• FLINT, Fast Library for Number Theory (William Hart and David Harvey)
• Fundamental domain drawing page (java 1.1.1 program by Helena Verrill)
• GMP-ECM (Elliptic Curve Method for Integer Factorization)
• Genus 2 site (Victor Flynn)
• GiantInt (Large integer package from Perfectly Scientific)
• GNU multiple precision package (GMP)
• GUESS, Maple package to guess closed form for a sequence of numbers (Bruno Gauthier)
• HECKE, A Modular Forms Calculator (William Stein)
• High Precision Arithmetic Software Directory (David Bailey)
• HYP, Mathematica package for manipulation and identification of binomial and hypergeometric series and identities (Christian Krattenthaler)
• HYPERG V 1.0, Maple package devoted to symbolic computation on hypergeometric series (Bruno Gauthier)
• HYPQ, Mathematica package for manipulation and identification of q-binomial and basic hypergeometric series and identities (Christian Krattenthaler)
• IntBasis, a maple package for computing with algebraic curves (Mark van Hoeij)
• Simon Plouffe's Inverter, An online repository of mathematical constants
• KANT (Michael Pohst: Technisches Universität Berlin)
• LiDIA: (Johannes Buchmann: Universität Darmstadt)
• Implementations of extended LLL, by Wilberd van der Kallen
• MAGMA (John Cannon: University of Sydney)
  • MAGMA Calculator
  • Code for computing heights on elliptic curves with magma (Martine Girard)
  • Hyperelliptic curves MAGMA package (Michael Stoll)
  • MAGMA code to solve Diophantine equations of the form F(x)=G(y), for which Runge's condition is satisfied (Szabolcs Tengely)
• Maple Worksheets in Number Theory (John Cosgrave)
• MegaNumberS (Chris Harrison)
• MPFR (Paul Zimmermann)
• Multidigit multiplication for mathematicians (Dan Bernstein (dvi 87K))
• MuPAD
• MWRANK, a program for finding the rank of an elliptic curve over the rationals (John Cremona)
• NFSNET (Large-scale distributed factoring)
• NTL: A Library for doing Number Theory (Victor Shoup)
• NTRU CryptoLabs
• NUMBERS Calculator (Ivo Düntsch)
• NZMATH, a Python based number theory oriented calculation system
• p-adic Arithmetic (Stany De Smedt)
• PARI:
  • PARI/GP
  • Pari-Gp routines for number theory (Fernando Rodriguez Villegas)
  • Pari/GP tutorial (Robert Ash - pdf)
  • Computing special values of L-functions (ComputeL - a PARI package by Tim Dokchitser)
  • Pari program for computing the list of Q-isomorphism classes of elliptic curves over Q, with at least one 2-torsion rational over Q and conductor 2^mp (Wilfrid Ivorra)
  • Programmes: COND, METMOD, HC, CHAB
  • Pari-tty Userinterface for Pari-GP (Windows XP) (Gottfried Helms)
• Pate Williams' implementations of algorithms from books of Henri Cohen, D.R. Stinson, N. Koblitz, H. Riesel and A.J. Menezes, P.C van Oorschot and S.A. Vanstone
• Pell equation Solver (Michael Zuker)
• Periods of Hilbert modular forms and rational points on elliptic curves, Adam Logan and Henri Darmon
• Perfectly Scientific, Inc.
• Peter Green's Heegner Points Package
• PHP Math Library (Alix Axel)
• PIPS: Polynomials over Galois Fields, A calculator program by Florent Chabaud
• PrimeForm - Probable Prime and Classical Primality Testing for 32-bit Windows (Chris Nash)
• PrimeKit (Performs all the algorithms in the Crandall-Pomerance book Prime Numbers - a computational perspective
• Quadratic two integer variables equation solver (Dario Alejandro Alpern)
• Quadratic modular equation solver applet (Dario Alejandro Alpern)
• ratpoints-1.4.c, A program for finding rational points on y² = f(x) (John Cremona, Colin Stahlke, Michael Stoll)
• SAGE, Software for Algebra and Geometry Experimentation (William Stein); other SAGE sites: SAGE (http://sage.scipy.org/sage/), SAGE, (Sydney site)
• SHARK : computing Tate-Shafarevich groups via Iwasawa theory (Christian Wuthrich)
• SIMATH (development discontinued)
• TECC (Tiny Elliptic Curve Calculator - Masanari Kida)
• Number Theory Programs for the TI-92 (Paul Pollack)
• Primo, a primality proving program based on the ECPP algorithm (Marcel Martin)
• UBASIC 8.8e (Yuji Kida) A basic interpreter with fast multiprecision arithmetic
• VPCALC (Harry Smith)
• WIMS: an online calculator program by Xiao Gang
  • Computes the continued fraction expansion of a real number (The convergents are not accurate, but the partial quotients seem to be correct)
  • Test Goldbach's conjecture with Factoris
  • Factors expressions
• XR-exact real arithmetic package (Keith Briggs)

Number Theory Tables

• Iwasawa invariants of elliptic curves (Robert Pollack)
• Table of Q-isomorphism classes of elliptic curves over Q, with at least one 2-torsion rational over Q and conductor 2^mp, with prime p < 29 (Wilfrid Ivorra - pdf file)
• Database of Automorphic L-functions (Stephen Miller)
• The Cunningham project
• Modular Polynomials (Masanari Kida)
• Minimal-known positive and negative k for Mordell curves of given rank (Tom Womack)
• Data on Mordell's curve y²=x³+k (SIMATH)
• Noam Elkies' computational number theory page (eg congruent numbers tables)
• A Database for Number Fields (Jürgen Klüners and Gunter Malle)
• Tables of Fermat near-misses (Noam Elkies)
• Tables related to Marshall Hall's conjecture (Noam Elkies)
• Tables of vanishing Fermat quotients, R. Ernvall and T. Metsänkylä, 1995
• High rank elliptic curves with prescribed torsion (Andrej Dujella)
• Tables of Dedekind zeta functions at negative integers (Eyal Goren)
• Tables accompanying Rational eigenvectors in spaces of ternary forms, Larry Lehman, Math. Comp. 66 (1997) 833-8310
• Tables of zeros of the zeta function (Andrew Odlyzko)
• Field Arithmetic Preprints Archive, Ben Gurion University of the Negev
• John Cremona's Elliptic Curve Data
• Online version of John Cremona's elliptic curve tables
• Number fields of low degree : (John Jones, Arizona State University)
• LiDia preprint server, J. Buchmann's group (English Version)
• TNT (Tools on Number Theory)
• Tables of rank 1 Drinfeld modules (David Hayes)
• Classical Modular Polynomials (Michael Rubinstein)
• L-functions calculator (Michael Rubinstein)
• Modular forms database (William Stein)
• Mathematical constants and computation (Xavier Gourdon and Pascal Sebah)
• Mathematical Constants (Steve Finch)
• Elliptic curves with unusual torsion (Tom Womack)
• Tables of imaginary quadratic fields with small class number
• List of class numbers for real and imaginary quadratic fields for discriminants 1000 < |D| < 10000 (David Terhune)
• New Modular Hyperelliptic Curves (E. González-Jiménez)
• Genus 2 curves with modular jacobians (E. González-Jiménez)

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Last modified 23rd March 2008