- Understanding Algebra
An online text introducing algebra.
- American Mathematical Society - e-Math
- Base Three Computing
- Calculators Online
- Canadian Mathematical Society
- Chaos at Maryland
University of Maryland
- Chaos without the math
- Cornell's Digital Library
571 original math books have been scanned and are available here.
Browse by author or title.
- Dave's Math Tables
- Einstein's Legacy
University of Illinois
From Relativity to spacetime
- Electronic Journal of Qualitative Theory of Differential Equations
"information and coding theory, dynamical systems, logic and the theory of algorithms, statistical inference and prediction.."
- Favorite Mathematical Constants
- Golomb Rulers
- Fractals, Chaos
Excellent place to start learning about these fascinating creations.
- History of Mathematics
- Iterated Prisoner's Dilemma
The game-theory problem with a twist. Also a game for 2; where IPD is found in nature.
- Largest known primes
From introduction to Euclid's proof of the infinitude of primes.
Math reference tables for K12 to college/university level. Message Board; links to other math sites.
- Mathematical Art of M.C. Escher
- Maths: A Student's Survival Guide
A Self-Help Workbook for Science and Engineering Students by Jenny Olive
- Mersenne Primes Homepage
- Mrs. Glosser's Math Goodies
The Net's Most Outrageous Number Crunchers [Thanks to Jennifer]
A meta-site of various resources to crunch numbers in various ways, from chords to a carbon footprint calculator
".. a collection of mathematical software, papers, and databases."
- Pacific Journal of Mathematics
Online version of this journal.
Three sites that cover the gamut of patterns.
- Number Patterns Fun with Curves & Topology
*Very* comprehensive meta-site of links covering:
Prime numbers & magic squares; modular arithmetic; the Golden Ratio; Fibonacci numbers; binary numbers; Pascal's Triangle; the Conics; Moire patterns;
curve stitching; my favourite: Curves of constant width - the famous Reuleaux triangle; cycloids; fractals; topology;
mazes, networks, map colouring; knots and string figures; flexagons; optical illusions; miscellaneous diversions.
- Symmetry and Tessellations
- Polyhedra Pastimes
- Perfect, amicable, and sociable numbers
Aliqout sequences; definitions of divisibility.
- Prime Curios!
This site is dedicated to prime numbers and their curiosities.
Free online calculator solves common algebra and calculus problems using Mathematica
- Rolling with Reuleaux
A curve of constant width, this simple imaginative shape is used to bore square holes, and is the basis
for the Wankel engine.
- Second Moment
"..a metasite for statistical and analytical research and applications."
- Sloan's Online Encyclopedia of Integer Sequences
Comprehensive, searchable database of integer sequences and patterns.
- SOS Mathematics
Tables, forumulae, constants, conversion units covering several mathematical disciplines.
- Statistics every writer should know about
How numbers can be used to misinform.
- Statistics Homepage
A very comprehensive site covering basic to advanced statistics. Glossary too!
- Topology Atlas
All things topological.
- Unsolved Mathematics Problems
- Wizard of Odds
Gambling: myths and facts; strategies; rules; etiquette.
- The Zero Saga
A site dedicated to zero!