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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Although there are many Number Devils from Number HeavenRobert only knows him as the Number Devil before learning of his actual name, Teplotaxl, later in the story.

He was also challenged by the necessity to use simple English words appropriate for the target audience of The Number Devil —that is, children aged eleven to fourteen. Views Read Edit View history. The German author has since stated he will not write any more young adult’s books, but instead direct his effort towards poetry. Here’s just the book for you”. Over the course of twelve dreams, the Numrri Devil teaches Robert mathematical principles.

The Number Devil teaches Robert about natural numberswhich the Number Devil calls garden-variety numbersthe unusual characteristics of infiniteand infinite series. Robert is a young boy who suffers from mathematical anxiety due to his boredom in school. By this dream, Robert’s mother has noticed a visible change in Robert’s mathematical interest, and Robert begins going to sleep earlier to encounter the Number Devil.

Retrieved 3 September Ball and Bass were concerned with The Number Devil ‘s negative characterization of math teachersits apparent presentation of mathematics as magical rather than factualand a number of other contentions. See our Returns Policy. Its colorful use of fictional mathematical terms and its creative descriptions of concepts have made it a suggested book for both children and adults troubled with math. Retrieved 21 December Delivery and Returns see our delivery rates and policies thinking of returning an item?


The book was a hit across Europe, becoming a best seller in at least Spain, Germany, [8] the Netherlands, [9] and Italy. The book ends with Robert in class using his newfound mathematical knowledge. See all free Kindle reading apps.

Il Mago dei numeri — Reader Q&A

Einaudi Ragazzi 30 Jan. Enzenssberger fostered a passion for mathematics and numbers, although he was not a mathematician by trade. A Mathematical Adventure cover. For instance, exponentiation takes the term hoppingand the fictional term unreasonable numbers was coined for irrational numbers.

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Would you like to tell us about a lower price? He also experiences recurring dreams —including falling down an endless slide or being eaten by a giant fish—but is interrupted from this sleep habit one night by a small devil creature who introduces himself as the Number Devil.

Not for a minute. A Mathematical Adventure German: Amazon Business Service for business customers.

Retrieved 16 December On the first night, the Number Devil appears to Robert in an oversized world and introduces the number one. Retrieved 7 December Learn enzensbergr about Amazon Prime. Credit offered by NewDay Ltd, over 18s only, subject to status. The translation was particularly difficult in that it required special attention to the numerical aspect of the book.


The New York Review of Books.

From Wikipedia, the free encyclopedia. Then you can start reading Kindle books on your smartphone, tablet, or computer – no Kindle device required. At Number Heaven, Robert learns of imaginary numberswhich Teplotaxl describes as imaginative numbersas well as the Klein bottle. Notices of the AMS. The book was met with mostly positive reviews from critics, approving its description of math while praising its simplicity.

Product details Paperback Publisher: Robert finds himself at the North Polewhere the Number Devil di irrational numbers unreasonable numbersas well as aspects of Euclidean geometrysuch as vertices dots and edges lines.

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Il mago dei numeri

Not all reviews were positive, however. Retrieved 17 December 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.

Later, on the fourth night, the Number Devil teaches Robert about rutabagasanother fictional term to depict square rootsat a beach. The Number Devil arranges Robert’s classmates in multiple ways, teaches him about permutationsand what the Number Devil calls vroom numbers factorials.