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 they praised its “attractive and imaginative fantasy ,” the two mathematicians found several issues. University of California Press. Shopbop Designer Fashion Brands. For a time after the fourth night, Robert cannot find the Number Devil in his dreams; later, however, on the fifth night, Robert finds himself at a desert where the Del Devil teaches him about triangular numbers through the use of coconuts.

The Number Devil – Wikipedia

Enzenssberger book follows a young boy named Robert, who is taught mathematics by a sly “number devil” called Teplotaxl over the course of twelve dreams.

On the third night, the Nkmeri Devil brings Robert to a cave and reveals how prima-donna numbers prime numbers can only be divided by themselves and one without a remainder. Mathematics fiction books Fictional demons and devils Dreams in fiction Henry Holt and Company books books Mathematics education.

Would you like to tell us about numsri lower price? A Mathematical Adventure cover. On the sixth night, the Number Devil teaches Robert about the natural occurrence of Fibonacci numberswhich the Number Devil shortens to Bonacci numbersby counting brown and white rabbits as they reproduce multiple times. 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.


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. Learn more about Amazon Prime. On the first night, the Number Devil appears to Robert in an oversized world and introduces the number one.

This page was last edited on 24 Decemberat There’s a problem loading this menu at the moment. Retrieved 26 October The next night, the Number Devil emerges in a forest of trees shaped like “ones” and explains the necessity of the number zeronegative numbersand introduces hoppinga fictional term to describe exponentiation. Henry Holt and Company. For instance, exponentiation takes the term hoppingand the fictional term unreasonable numbers was coined for irrational numbers. Delivery and Returns see our delivery rates and policies thinking of returning an item?

The book ends with Robert in class using his newfound mathematical knowledge. Visit our Help Pages.

Il mago dei numeri : Hans M. Enzensberger :

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By using this site, you agree to the Terms of Use and Privacy Policy. Bayerischer Rundfunk in German. The Number Devil teaches Robert about natural numberswhich the Number Devil calls garden-variety numbersip unusual characteristics of infiniteand infinite series.

Notices of the AMS. Enzensberyer our Returns Policy. Not all reviews were positive, however. Over the course of twelve dreams, the Number Devil teaches Robert mathematical principles.

Retrieved 5 September Retrieved 21 December Mathematical Association of America.

A Mathematical Adventure German: 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. Retrieved 23 October Product details Paperback Publisher: The translation was particularly difficult in that nymeri required special attention to the numerical aspect of the book.


Il mago dei numeri

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. 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. On the ninth night, Robert dreams he is in bed, suffering from the flu, when the Number Devil appears next to him. Amazon Second Chance Pass it on, trade it in, give it a second life.

If you are a seller for this product, would you like to suggest updates through seller support? He also criticized its use in mathematics education, stating “I suspect this is the sort of book that well-meaning adults will mistakenly thrust upon children because it will be good for them. 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.

Archived from the original on 26 April See all free Kindle reading apps. Archived from the original on 21 April Retrieved 7 December Share your thoughts with other customers.