Presenting the Illustrated Maths Dictionary 4th Edition, the revised and improved edition of Australia's best-selling mathematics dictionary by Judith De Klerk. New features in this fourth edition: new, cleaner design; computer terms with mathematical connotations; conversion tables; over fifty new entries; a bonus electronic version of the dictionary on CD-ROM. Together with the best features of previous editions: definitions written in simple language that children can understand but without losing accuracy; clear, precise and concise explanations of difficult terms; definitions that are supported by hundreds of examples and illustrations; a Useful Information section providing symbols, formulae and other supporting mathematical terms. The Illustrated Maths Dictionary 4th edition is an essential resource for primary and lower secondary students, teachers, student teachers and parents.