The International Mathematical Union is an international non-governmental organization devoted to international cooperation in the field of mathematics. It is a member of the International Council for Science (ICSU) and supports the International Congress of Mathematicians. Its members are national mathematics organizations in 65 countries. Wikibooks Wikiversity has more about this subject: School of Mathematics Wikiquote has a collection of quotations by or about: Mathematics Look up Mathematics in Wiktionary, the free dictionary Wikimedia Commons has more media related to: Mathematics Bogomolny, Alexander: Interactive Mathematics Miscellany and Puzzles. ... The International Council for Science (ICSU), formerly called the International Council of Scientific Unions, was founded in 1931 as an international non-governmental organization devoted to international co-operation in the advancement of science. ... The International Congress of Mathematicians (ICM) is the biggest congress in mathematics. ...