The ubiquitous number "pi". Zhukov A.V.

This book, written in a living, figurative language, collects various information about the number of “PI” - the famous mathematical constant, which appears in the most unexpected places. This book is a kind of “small encyclopedia” of the number “pi”. Its main part is cognitive and entertaining in nature, it sets out information available to a wide range of mathematics lovers. In an additional part of the book, which takes the background of the narrative and addressed to “mathematical gourmets”, solutions and answers to the tasks formulated in the main part, as well as reference data and comments that do not go beyond the standard higher mathematics course at the university are given. The book will be useful to students and teachers of mathematical universities, as well as all fans of mathematics.