The Number Devil: A Mathematical Adventure is a book for children and young adults that explores mathematics. It was originally written in in German by Hans Magnus Enzensberger. Il mago dei numeri by Hans M. Enzensberger, , available at Book Depository with free delivery worldwide. : Il mago dei numeri () by Hans Magnus Enzensberger and a great selection of similar New, Used and Collectible Books.

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Get to Know Us. Visit our Help Pages. Shopbop Nezensberger Fashion Brands. A Mathematical Adventure German: Would you like to tell us about a lower price? Retrieved 21 December Retrieved 26 October A Mathematical Adventurebased on the book.

Inhe delivered a speech at the International Congress of Mathematicians criticizing the isolation of mathematics from popular culture.

Retrieved 5 September Bayerischer Rundfunk in German. Enter your mobile number or email address below and we’ll send you a link to download the free Kindle App. On the first night, the Number Devil appears to Robert in an oversized world and introduces the number one.


Il mago dei numeri

Not all reviews were positive, however. Archived from the original on 21 April The seventh night brings Robert to a bare, white room, where the Number Devil presents Pascal’s triangle and the patterns that the triangular array displays.

Robert is a young boy who suffers from numwri anxiety due to his boredom in school. The Number Devil received mostly positive reviews from critics. The Number Devil arranges Robert’s classmates in multiple ways, teaches him about permutationsand what the Number Devil calls vroom numbers factorials. The book was met with mostly positive reviews from critics, approving its description of math while praising its simplicity.

On the ninth night, Robert dreams he is in bed, suffering ll the flu, when the Number Devil appears next to him.

Il Mago dei numeri — Reader Q&A

Although they praised its “attractive and imaginative fantasy ,” the two mathematicians found several issues. On the sixth night, the Number Devil teaches Nnumeri about the natural occurrence of Fibonacci numberswhich the Number Devil shortens to Bonacci numbersby counting brown and white rabbits as they reproduce multiple times.

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Retrieved 3 September Views Read Edit View maggo. By the eleventh night, Robert has shown considerable increased interest in mathematics, but questions its validity, to which the Number Devil introduces the concept of mathematical proofsending with the Number Devil showing Robert a complicated proof of basic arithmetic.

At Number Heaven, Robert learns of imaginary numberswhich Teplotaxl describes as imaginative numbersas well as the Klein bottle.

For instance, exponentiation takes the term hoppingand the fictional term unreasonable numbers was coined for irrational numbers. The next night, the Number Devil emerges in a forest of trees shaped like “ones” and numer the necessity of the number zeronegative numbersand introduces hoppinga fictional term to describe exponentiation.

Because he was displeased with the way mathematics was taught to students at school, the German author decided to pen a book that teaches mathematics in an innovative way.