{"product_id":"9780486400075","title":"Mathematical History of the Golden Number","description":"\u003cp\u003eAn 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.\u003c\/p\u003e","brand":"Dover Publications Inc.","offers":[{"title":"Default Title","offer_id":48676039262443,"sku":"00000_00000_00000_00000","price":32.87,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9780486400075-1.jpg?v=1781624665","url":"https:\/\/kinokuniya.com.sg\/zh\/products\/9780486400075","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}