Mathematical History of the Golden Number

An in-depth study of the origins of division in extreme and mean ratio (DEMR). Provides a detailed analysis of the role of DEMR in Euclid's Elements , historical implications, and its relationship to other mathematical topics and modern proposals. Also discusses the Pythagoreans, examples of the pentagram before 400 B.C., pre-Euclidean wrings, and post-Euclidean development through the later Greek period, the Arabic world, India, and into Europe. Annotation c. by Book News, Inc., Portland, Or.