This book presents theoretical explanations, easily understood applications, and the interpretation of quantitatively structured problems in business applications of applied mathematics. First, all concepts are presented by means of brief theoretical explanations relying on a minimum of proofs; Second, the relation between problem formulation, mathematical computation, and the interpretation of results is emphasized throughout the book; Finally, the book provides discussions of how aids such as the computer and hand calculator are used in specific analyses and of computational methods which have been modified because of computerized analyses.