MATHEMATICS · ALGEBRA
E. John Hornsby
Also known as: E. John Hornsby, Jr., John Hornsby
E. John Hornsby, Jr. is a native of New Roads, Louisiana, and a lifetime resident of the Pelican State. He has lived a dream, loving his profession of mathematics education since the day he decided to become a teacher as a freshman at Louisiana State University in 1967. After graduating from L.S.U. and Southeastern Louisiana University, he spent 23 years teaching in Louisiana high schools and the University of New Orleans. In 1997 he decided to devote his efforts to full-time authoring of college and university textbooks. He is eternally grateful to Marge Lial, who gave him the opportunity to join her in her series of successful textbooks. His first book was published in 1990, and he has coauthored over 100 editions of textbooks ranging from beginning algebra through precalculus. His current publisher is Pearson Education. John's professional interests include the history of mathematics, incorporating graphing calculators into the precalculus curriculum, and sharing the beauty of mathematics through his series of talks, "Math Class Goes to Hollywood." These talks include scenes from movies and television that provide mathematics-education moments. Some are good, some are bad, and some are really ugly, but they all provide an opportunity to learn about mathematics. Source: [About the Author](
Most acclaimed
College Algebra
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Trigonometry
Trigonometry, a work in the collection of the Gelfand School Program, is the result of a collaboration between two experienced pre-college teachers, one of whom, I.M. Gelfand, is considered to be among our most distinguished living mathematicians. His impact on generations of young people, some now mathematicians of renown, continues to be remarkable. Trigonometry covers all the basics of the subject through beautiful illustrations and examples. The definitions of the trigonometric functions are geometrically motivated. Geometric relationships are rewritten in trigonometric form and extended. The text then makes a transition to the study of algebraic and analytic properties of trigonometric functions, in a way that provides a solid foundation for more advanced mathematical discussions. Throughout, the treatment stimulates the reader to think of mathematics as a unified subject. Like other I.M. Gelfand treasures in the program—Algebra, Functions and Graphs, and The Method of Coordinates—Trigonometry is written in an engaging style, and approaches the material in a unique fashion that will motivate students and teachers alike. From a review of Algebra, I.M. Gelfand and A. Shen, ISBN 0-8176-3677-3: "The idea behind teaching is to expect students to learn why things are true, rather than have them memorize ways of solving a few problems, as most of our books have done. [This] same philosophy lies behind the current text by Gel'fand and Shen. There are specific 'practical' problems but there is much more development of the ideas.... [The authors] have shown how to write a serious yet lively book on algebra." —R. Askey, The American Mathematics Monthly