Percents and Ratios

(Math Success)
Lucille Caron, Philip M. St. Jacques

Enslow Publishers | 2000 | 64 páginas | rar -pdf | 1,9 Mb

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Multiplication and Division

(Math Success)
Lucille Caron, Phil St. Jacques

Enslow Publishers | 2001 | 64 páginas | pdf | 4,5 Mb

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Making Math Easy

Division Made Easy
(Making Math Easy)
Rebecca Wingard-Nelson

Enslow Elementary | 2005 | 48 páginas | pdf | 7,5 Mb

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Grade 1-4–Each title includes plentiful color illustrations, sample problems that are highlighted by color print, and boxes with hints and suggestions to make problem-solving easier. The two-page chapters include clear explanations and easy-to-follow examples. The Internet sites are active and may be of further help to struggling math students. While children may not pick up these books on their own, they may be of benefit to homeschoolers or youngsters who need a little extra help

Subtraction Made Easy
(Making Math Easy)
Rebecca Wingard-Nelson

Enslow Elementary | 2005 | 48 páginas | pdf | 7,8 Mb

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Addition and Subtraction

(Math Success)
Lucille Caron, Phil St. Jacques

Enslow Publishers | 2001 | 64 páginas | pdf | 5 Mb

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The Geometry of Art and Life

Matila Ghyka

Dover Publications | 1977 | 174 páginas | pdf | 19 Mb

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Descrição: This classic study probes the geometric interrelationships between art and life in discussions that range from Plato, Pythagoras and Archimedes to modern architecture and art, flowers, shells and marine life, the human face and much, much more. Also explored: the Golden Section, geometrical shapes on the plane, geometrical shapes in space, crystal lattices and many other fascinating topics.

The Algorithmic Beauty of Plants

(The Virtual Laboratory)
Przemyslaw Prusinkiewicz, Aristid Lindenmayer

Springer | 1996 | 228 páginas | PDF | 15 Mb

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Descrição: This book is the first comprehensive volume on the computer simulation of plant development. It contains a full account of the algorithms used to model plant shapes and developmental processes, Lindenmayer systems in particular. With nearly 50 color plates, the spectacular results of the modelling are vividly illustrated. "This marvelous book will occupy an important place in the scientific literature." Professor Heinz-Otto Peitgen "The Algorithmic Beauty of Plants will perform a valuable service by popularizing this enlightening and bewitching form of mathematics." Steven Levy " ... the garden here is full of delights and an excellent introduction to L-systems, ..." Alvy Ray Smith, IEEE Computer Graphics and its Applications

The Algorithmic Beauty of Sea Shells

(The Virtual Laboratory)

Hans Meinhardt

Springer | 2009 | 297 páginas | PDF - 11 Mb

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Descrição: The patterns on the shells of tropical sea snails are not only compellingly beautiful but also tell a tale of biological development. The decorative patterns are records of their own genesis, which follows laws like those of dune formation or the spread of a flu epidemic. Hans Meinhardt has analyzed the dynamical processes that form these patterns and retraced them faithfully in computer simulations. His book is exciting not only for the astonishing scientific knowledge it reveals but also for its fascinating pictures.