Raymond N. Greenwell earned a B.A. in Mathematics and Physics from the University of San Diego, and an M.S. in Statistics, an M.S. in Applied Mathematics, and a Ph.D. in Applied Mathematics from Michigan State University. Since 1983 he has been at Hofstra University, Hempstead, New York, where he is Professor Emeritus of Mathematics. He has published articles on statistics, fluid mechanics, mathematical biology, genetic algorithms, combinatorics, and undergraduate mathematics education. He is coauthor with Margaret L. Lial and Nathan P. Ritchey of the texts *Finite Mathematics* and *Calculus with Applications*. He is a member of the Mathematical Association of America, and has served the Metropolitan New York Section as Chair (1999-2001) and Governor (2002-2005). He is also a member of the Association of Christians in the Mathematical Sciences. Source: [About the Author](https://books.google.com/books?id=_VnDCwAAQBAJ&newbks=0&hl=en&source=newbks_fb)