M129. Fall, 2012. Dr. Leisinger Textbook: Foerster, Algebra and Trigonometry, Functions and Applications Publisher: Addison-Wesley Either of these editions (they are identical): Expanded Second Edition, (1994): ISBN: 0-201-86101-1 Classic Edition: (1999) ISBN: 0-201-32460-1 Do not buy this book until the first class.