Think about the number. Mathematical guesser. Perelman Ya.I.

This book of the famous writer and popularizer of science Yakov ISEKOVICH Perelman “Think of the number” is not just a book from many those that stand on the shelves in bookstores: it is magical! Yes Yes! But if you do not believe, do all the calculations that are mentioned here carefully over the planned number - and the little book will guess the result of your calculations. If the result is different, check your calculations and make sure that you were mistaken, not a book. And in conclusion, the author will reveal the secrets of magic for you.