Shows how origami can be used in the classroom to teach students mathematical principles.

"This picture book traces the impressive career of Sophie Kowalevski, the first woman to receive a doctorate in mathematics requiring original research. As a gi

INSTANT NEW YORK TIMES BESTSELLER “Most appealing... technical accuracy and lightness of tone... Impeccable.”—Wall Street Journal “A porthole into anoth

The theory of the stability of motion has gained increasing signifi cance in the last decades as is apparent from the large number of publi cations on the subje