| Trieste_Italy__Elettra_Synchrotron_Light_Source Facility information. Includes virtual tour, guides, events and scientific highlights. |
| USA,_Upton,_NY__National_Synchrotron_Light_Source_(NSLS) at Brookhaven National Laboratory (BNL) |
| Active_Elementary_Number_Theory Interactive (Javascript) expression of a number as a sum of two squares. |
| Application_of_Digital_Root A test for the terms of a sequence being expressed by a polynomial, by Roupam Ghosh. |
| The_Arithmetic_Properties_of_Binomial_Coefficients Activated text by Andrew Granville. |
| The_Canadian_Number_Theory_Association A loosely defined group of individuals, mainly in Canada, active in research in Number Theory. |
| Covers,_Sumsets_and_Zero-sums A unified approach to covering systems, restricted sumsets and zero-sum problems by Zhi-Wei Sun. |
| Fermat\'s_Little_Theorem With notes on Carmichael numbers and the life of R.D. Carmichael. |
| Frequently_Asked_Questions Number Theory section of the sci.math FAQ list. |
| Hakmem_Continued_Fractions Some notes from the MIT collection. Includes Gosper's algorithms for CF arithmetic. |
| Infinite_Series_Theorem Addresses the question whether a series of rational functions converges to a rational number. |
| Integer_Relations To determine linear integer dependence among numerical constants and to determine the minimal polynomial of an approximate algebraic number. Interactive or via email. |
| Introduction_to_Bernoulli_Numbers A web article with a brief history and account of their relationship with the Riemann zeta function and Fermat's Last Theorem (HTML/PS). |
| Lehmer\'s_Conjecture That the Mahler measure of an algebraic number is bounded away from 1. Pages by Michael Mossinghoff, UCLA. |
| L-Functions Classified by degree, then by level, then by eigenvalue, then by root number. |
| Linear_Independence_Measures_for_Logarithms_of_Algebraic_Numbers Michel Waldschmidt. Cetraro summer school lectures, July 2000. |
| MathPages__Number_Theory Kevin Brown's collection of sci.math postings related to number theory topics. |
| MathWorld_Number_Theory Index to articles in Eric Weisstein's MathWorld in the area of number theory. |
| Noncommutative_Geometry,_Trace_Formulae_and_the_Zeroes_of_the_Riemann_Zeta_Function Lecture notes by Alain Connes. |
| Number_Theory Proofs along with equation solvers and graphical views written in Java. |
| Number_Theory Dave Rusin's guide to number theory. |
| Number_Theory_Foundation Aims to collect donations from supporters of number theory and to disburse these donations to encourage research. |
| Number_Theory_Glossary Compiled by Robert Campbell. |
| On-Line_Encyclopedia_of_Integer_Sequences Given an integer sequence, find its name, and formula. |
| Online_Seminar__Galois_theory_of_p-Extensions Email seminar on "Galoissche Theorie der p-Erweiterungen" by Helmut Koch. |
| Other_Maths A wide selection of number theory topics compiled by Jon Perry. |
| Some_Highlights_of_Arithmetic_Combinatorics Lecture notes and resources on combinatorial number theory by Terence Tao. |
| Some_Number-Theoretical_Constants Products of rational functions of p over primes, computed by Gerhard Niklasch and Pieter Moree. |
| Somos_Polynomials Related to Somos sequences and elliptic theta functions. |
| The_Somos_Sequence_Site Web resources for information on Somos sequences and related topics such as elliptic divisibility sequences. |
| Square-free_Gaps Algorithm and source code for the calculation of square-free numbers and gaps. |
| Transcendental_Numbers Maple worksheets, lecture notes and links to other resources by John Cosgrove. |
| The_Valuation_Theory_Home_Page A forum for all mathematicians who work in valuation theory or apply valuation theoretical results in their own field of research. |
| Vignettes_on_Automorphic_and_Modular_forms,_Representations,_L-functions,_and_Number_Theory By Paul Garrett. |
| Visible_Structures_in_Number_Theory By Peter Borwein and Loki Jörgenson. Recognising number patterns visually. |
| The_Work_of_Robert_Langlands Thesis, papers, manuscripts, letters and bibliography. |
| World_Records_for_Numerical_Palindromes The 196 Palindrome Quest and The Most Delayed Palindromic Number, by Jason Doucette. |
| The_Abacus Articles on the history, techniques, and construction of the abacus, with interactive Java Applet. |
| Digital_Library_of_Mathematical_Functions This mockup gives an idea of the current ideas about the design and organization of the new Digital Library; these ideas are, of course, subject to change. Content only is only available in a few pla |
| Geometry_Formulas_and_Facts An excerpt from the 30th Edition of the CRC Standard Mathematical Tables and Formulas, covering the area of Geometry (minus differential geometry), by Silvio Levy. |
