Complex Analysis (Undergraduate Texts in Mathematics)
This unusually lively textbook on complex variables introduces the theory of analytic functions, explores its diverse applications and shows the reader how to harness its powerful techniques. "Complex Analysis" offers new and interesting motivations for classical results and introduces related topics that do not appear in this form in other texts. Stressing motivation and technique, and containing a large number of problems and their solutions, this volume may be used as a text both in classrooms and for self-study.
George J. Summers creates 50 new puzzles for fans eager to test their logic. The puzzles range in difficulty from the relatively simple examples at the beginning of the book to others that are tricky, complex and subtle enough to the test the expert.
This is a collection of arithmetical puzzles which operate by substituting letters for numbers. The author clearly explains how to solve them, and they range from easy to very complex.
More than 75 knots and their uses. Hobbyists, decorators and tricksters will treasure this collection of useful, decorative and magic knots. From simple hitches to complex lariats, trick knots and rope tricks with step-by-step illustrations and instructions. Illustrations throughout.