Throughout the preparation of each edition of this dictionary, the guiding objective has been to make it useful for students, scientists, engineers, and others interested in the meaning of mathemati- cal terms and concepts. It is intended to be essentially complete in the coverage of topics that occur in precollege or undergraduate college mathematics courses, as well as covering many topics from beginning graduate-level courses. In addition, many other interesting and important mathematical concepts are included. When preparing this edition, emphasis was given on revising and updating topics...