Using only concepts, terminology, and tools taught in high school geometry, Posamentier (mathematics education, Mercy College, New York) and Lehmann (mathematics, Humboldt U., Berlin) explore some of
"The Glorious Golden Ratio is a delight---an inviting and highly accessible exploration of the beauty and enchantment of mathematics, full of intrigue and surprises.""The authors very cleverly present
Far from being obscure and the toy solely of the mathematical, Fibonacci sequences are found in natural structures such as the arrangement of seeds on a pine cone and the branches of certain plant ste
It is the ratio of the circumference of a circle to its diameter, a transcendental number, and to some people, an obsession. Posamentier (mathematics education, City College, CUNY) and Lehmann (mathem