Từ điển

• Mathematics Dictionary for Kids online

http://www.amathsdictionaryforkids.com/dictionary.html

• On-line Mathematics Dictionary

http://www.mathpropress.com/glossary/glossary.html#A

Bách khoa toàn thư

• Encyclopaedia of Mathematics

http://eom.springer.de/

• MathWorld Encyclopedia of Mathematics

http://math.niu.edu/