Dramatically Expanded to Be the Most Comprehensive Library Reference on Mathematics Available Today

• Order now to receive this special introductory price!
• Provides a versatile resource for students, faculty, and professionals working in mathematics, the sciences, and engineering
• 4300 pages with 4500 figures
• Over 1000 pages of entirely new material
• Nearly 12,000 entries now in 3 volumes
• Updated for use with Mathematica^® 6 and 7
• Entries contain definitions, formulas, illustrations, web links, bibliographic information, and useful facts
• Content drawn from the widely respected and continuously updated http://mathworld.wolfram.com/

 Improvements to the Third Edition include:

• Now more than 11,900 individual entries--4300 of them new (60% more than the previous edition)
• Entries extensively revised, extended, and updated
• Written in clear, precise, readable language that is accessible to students, scientists, engineers, and laypeople, while still retaining the rigor demanded by the mathematics professional
• Extensive additions and updates in graph theory, discrete mathematics, number theory, plane geometry, special function theory, integer sequences, and the theory of mathematical constants
• Updated with new research, computational, and theoretical results
• 3 handsomely bound volumes containing a total of 4300 pages--a full 1000 pages of content more than the previous edition
• Printed on high-quality paper for durability and ease of reading
• Completely new typesetting done by the author including higher quality formatting and tighter pagination
• High-quality table layout and formatting
• Now more than 1100 tables enumerating properties--three times as many tables as before
• High-resolution line and grayscale figures and diagrams
• Extensively illustrated with more than 4500 figures--nearly 3 times as many as before
• Many figures updated and refined
• Many new literature and internet citations
• Updated with nearly 37,000 citations, many of them to recent literature--nearly 3 times as the previous edition
• Nearly 5000 internet citations--10 times as many as before
• Thousands of additional cross-references
• Content updated for Mathematica 6 and 7
• Mathematica notebooks available for download on http://mathworld.wolfram.com/ for nearly 5000 of the entries

Praise for the Last Edition

" …inaugurates a new era … lives and breathes hand-in-hand with the Internet. … the book is a "first" in the technology age… . CAS are used extensively by the author, and Mathematica codes are included… ."

—SIAM Review, Vol. 46

Praise for the First Edition

"This extraordinary volume beautifully captures many of the discoveries in mathematics in a readable and authoritative fashion… . What is truly exceptional is that this encyclopedia is the product of a single dedicated and talented author … an excellent resource for both teaching and research libraries… ."

—Journal of Mathematical Psychology