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« This newly revised fourth edition of The Concise Book of Muscles is a comprehensive guide to the major muscle groups. Fully illustrated with more than 500 drawings, and easy to use, this compact reference provides a complete profile for each muscle, clearly showing its origin,…
The three most basic shapes -- squares, triangles and circles -- are all around us, from the natural world to the one we've engineered. Shapes in Math, Science and Nature introduces young readers to the basics of geometry and reveals its applications at home, school and everywhe…
The three books in the popular Shapes in Math, Science and Nature series, Squares, Triangles and Circles, provides engaging, well-written, interactive content that helps make geometry and measurement concepts graspable and even enjoyable, while also offering opportunities for le…
The three books in the popular Shapes in Math, Science and Nature series, Squares, Triangles and Circles, provides engaging, well-written, interactive content that helps make geometry and measurement concepts graspable and even enjoyable, while also offering opportunities for le…
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The word barycentric is derived from the Greek word barys (heavy), and refers to center of gravity. Barycentric calculus is a method of treating geometry by considering a point as the center of gravity of certain other points to which weights are ascribed. Hence, in particular, …
1. Euclidean barycentric coordinates and the classic triangle centers. 1.1. Points, lines, distance and isometries. 1.2. Vectors, angles and triangles. 1.3. Euclidean barycentric coordinates. 1.4. Analogies with classical mechanics. 1.5. Barycentric representations are covariant…