For centuries, the Pythagorean Theorem has occupied a unique position in mathematics: both elementary and profound. Its ...

Parents need to know that Geometry Quest is a cute geometry quiz app best suited for third- or fourth-graders but acceptable for older kids as well. The engaging travel theme, cartoonish graphics, ...

Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

ix, 371 p. : 29 cm ix, 371 p. : 29 cm Includes bibliographical references (p. 365) and index The treasure island problem -- The nine-point circle -- Morley's theorem -- The hiker's path -- The ...