Number theory and its history

Oystein Ore

McGraw Hill Publishing | 1948 | 370 páginas |

online :archive.org

djvu | 4 Mb
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Descrição: Unusually clear, accessible introduction covers counting, properties of numbers, prime numbers, Aliquot parts, Diophantine problems, congruences, much more.

Graph Theory 1736-1936

Norman L. Biggs, E. Keith Lloyd, Robin J. Wilson

Oxford University Press, USA | 240 páginas | 1999 |

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djvu | 14,60 Mb
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Descrição: First published in 1976, this book has been widely acclaimed as a major and enlivening contribution to the history of mathematics. The updated and corrected paperback contains extracts from the original writings of mathematicians who contributed to the foundations of graph theory. The author's commentary links each piece historically and frames the whole with explanations of the relevant mathematical terminology and notation.

Short Stories about Numbers

Rajnish Kumar

pdf | 183 páginas | 3 Mb

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Descrição: This book has attempted to provide a set of off beat, fun filled pages. Most of the mothers had a tough time explaining to their child that 11 is eleven and not oneteen and 12 is twelve and not twoteen. The early learner would have often wondered why of all bases this strange number 2.718… was chosen as natural logarithm base called,e. After all why is Mathematics left out of the Nobel Prize by the Academy? Did you know that only a few folds to a paper could take you to the moon? Binary system is okay but why the computer uses such a strange notation as AD45F3? A few brilliant logical and dissection puzzling stories with solutions are to be found here. There does exist a triangle in the universe whose angles add upto more than 180 deg.What made 1729 the taxi number so famous? Some strange path can make a square tyred bicycle move smoothly. All this and more interesting stories are to be found in the book.

Symmetry Discovered: Concepts and Applications in Nature and Science

Joseph Rosen

Cambridge University Press | 1975 | 149 páginas | djvu | 4,02 Mb

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Descrição: Classic work, provides excellent introduction to the basic concepts and terminology of symmetry, with lucid discussions of geometric symmetry, other symmetries and approximate symmetry, symmetry in nature, uses of symmetry in science, much more.