A maths blog for students, teachers and all maths folk.
- Maths Thesaurus
- This site contains brief explanations of mathematical terms and ideas in English, Danish, Finnish, Hungarian, Lithuanian, Polish, Slovak.
- MacTutor History of Mathematics
- Biographies of mathematicians
- A biography of maths.
- MathWorld Encyclopedia
- A free resource from Wolfram Research built with Mathematica technology.
- PRIME Mathematics Encyclopedia
- Encyclopedia and Dictionary of Mathematics, with articles, biographies, and translation dictionaries.
- PlanetMath: Enyclopedia
- A comprehensive mathematical encycopedia providing short user written entries on a very wide range of topics.
- All Maths Words
- Math Dictionary Encyclopedia. Well linked references and easy navigation.
- BBC/OU Open2.net – The Story of Maths
- Marcus DuSautoy explores the long, surprising history of man’s relationship with numbers.