Encompassing every mathematical term and concept of interest, The Facts On File Dictionary of Mathematics, Fourth Edition conveys information to students and general readers in a proven, accessible format. This fourth edition contains approximately 320 new entries, dozens of new line illustrations, new pronunciation symbols, a list of websites, and a bibliography. Current entries and back matter have been revised as needed. Relating significant information in a non-specialist manner, this dictionary is an invaluable resource.

New entries include:
Antiderivative
Complexity theory
Echelon matrix
Framework
Global positioning system (GPS)
Hectare
Jacobian
Metric
Quadric cone
Zero function