Impressive in its print version, Concise Encyclopedia of Mathematics on CD-ROM goes even further towards a reference that is highly accessible, fully searchable, and fun to explore. The entries are cross referenced and hyperlinked not only to related entries but also to external sites on the Internet. This makes locating information even more convenient and provides a highly efficient, powerful way to navigate from one related concept to another. With its thousands of examples, formulas, and derivations, Concise Encyclopedia of Mathematics on CD-ROM gives the reader a healthy taste of each subject -- without getting lost in minutiae -- and stimulates a thirst for additional information and exploration.