Download or read book Leonard of Pisa and the New Mathematics of the Middle Ages written by Joseph Gies and published by New Classics Library. This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wonderful book about Leonardo Fibonacci's rediscovery of the Golden Ratio in the 13th century. Includes explanations of the Golden Rectangle, the Golden Spiral, and Fibonacci's own math problems (with solutions).