No number has captured the attention and imagination of people throughout the ages as much as the ratio of a circle's circumference to its diameter. Pi or? as it is symbolically known, is infinite and, in this book it proves to be infinitely intriguing. The author explores the many facets of pi and humankind's fascination with it, from the ancient Egyptians and Archimedes to Leonardo da Vinci and the modern-day Chudnovsky brothers, who have calculated...

An American icon and famed actor brings us on his uncharted but serendipitous journey to the top in Hollywood, clearing up misconceptions; sharing dozens of never-before-told stories from both his personal and professional lives; and offering a truly fresh perspective on a changing industry and a changing world.

With millions of new users and several new models, the Raspberry Pi ecosystem continues to expand--along with many new questions about the Pi's capabilities. The third edition of this popular cookbook provides more than 200 hands-on recipes that show you how to run this tiny low-cost computer with Linux; program it with Python; hook it up to sensors, motors, and Arduino boards; and even use it with the internet of things (IoT).Prolific hacker and...

"The Cat in the Hat visits Sally and Dick's school on Pi Day and shows them how to measure pi."--

"This fully updated guide shows how to create inventive programs and fun games on your powerful Raspberry Pi--with no programming experience required. Programming the Raspberry Pi Getting Started with Python, Third Edition addresses physical changes and new setup procedures as well as OS updates to the current version 4. You will discover how to configure hardware and software, write Python scripts, create user-friendly GUIs, and control external...