Mathematical Curiosities: A Treasure Trove of Unexpected Entertainments, Posamentier Alfred S., Lehmann Ingmar

Автор: Posamentier Alfred S., Lehmann Ignmar
Название: Magnificent Mistakes in Mathematics
ISBN: 1616147474 ISBN-13(EAN): 9781616147471
Издательство: Random House (USA)
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Цена: 2207.00 р.
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Описание: Two veteran math educators demonstrate how some "magnificent mistakes" had profound consequences for our understanding of mathematics' key concepts.
In the nineteenth century, English mathematician William Shanks spent fifteen years calculating the value of pi, setting a record for the number of decimal places. Later, his calculation was reproduced using large wooden numerals to decorate the cupola of a hall in the Palais de la Decouverte in Paris. However, in 1946, with the aid of a mechanical desk calculator that ran for seventy hours, it was discovered that there was a mistake in the 528th decimal place. Today, supercomputers have determined the value of pi to trillions of decimal places.
This is just one of the amusing and intriguing stories about mistakes in mathematics in this layperson's guide to mathematical principles. In another example, the authors show that when we "prove" that every triangle is isosceles, we are violating a concept not even known to Euclid - that of "betweenness." And if we disregard the time-honored Pythagorean theorem, this is a misuse of the concept of infinity. Even using correct procedures can sometimes lead to absurd - but enlightening - results.
Requiring no more than high-school-level math competency, this playful excursion through the nuances of math will give you a better grasp of this fundamental, all-important science.

Автор: Posamentier Alfred S., Thaller Bernd
Название: Numbers: Their Tales, Types, and Treasures
ISBN: 1633880303 ISBN-13(EAN): 9781633880306
Издательство: Random House (USA)
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Цена: 1747.00 р.
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Описание: Did you grow up thinking math is boring? It's time to reconsider. This book will teach you everything you ever wondered about numbers--and more.
How and why did human beings first start using numbers at the dawn of history? Would numbers exist if we Homo sapiens weren't around to discover them? What's so special about weird numbers like pi and the Fibonacci sequence? What about rational, irrational, real, and imaginary numbers? Why do we need them?
Two veteran math educators explain it all in ways even the most math phobic will find appealing and understandable.
You'll never look at those squiggles on your calculator the same again.

Автор: Posamentier, Alfred S.
Название: Math Charmers
ISBN: 1591020670 ISBN-13(EAN): 9781591020677
Издательство: Random House (USA)
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Цена: 2022.00 р.
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Описание: We should all be having fun with math and helping our kids to do better in life by encouraging them to appreciate not only its usefulness but especially its charm. This book is intended for adults looking for a way to turn their kids on to an important subject or discover for themselves what they might have missed in their own math education.