# Read Pi to One Million Digits (Math Books for Children) by David McAdams Free Online

Book Title: Pi to One Million Digits (Math Books for Children)The author of the book: David McAdamsISBN: No dataISBN 13: No dataEdition: Life is a Story Problem, LLCDate of issue: January 29th 2016Language: EnglishFormat files: PDFThe size of the: 665 KBCity - Country: No dataLoaded: 1428 timesReader ratings: 4.8 |

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Pi, the ratio of the circumference of a circle to its diameter, has been know to exist for thousands of years. Even before the common era, ancient mathematicians had found approximations for pi that were accurate to two digits (3.1). The Babylonians used 25/8 as an approximation of pi. The ancient Egyptians used 16/9 squared for pi. The next to improve the approximations for pi were Chinese mathematicians. The Chinese approximation was correct to seven digits (3.141592).

In Greece, Archimedes used a polygon drawn outside a circle, and a polygon drawn inside a circle, and extended pi to three digits (3.14). Finally, when infinite series were developed, one could calculate pi with pen and paper to as many digits as one had time for. It was not until computers came along that it was practical to calculate pi to a million digits. Here, in this book, are the results.

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### Read information about the author

David McAdams is a professor at the Duke University Fuqua School of Business. He is a leading scholar, popular teacher, and game-theory business consultant. He lives with his wife and children in Durham, North Carolina.### Reviews of the Pi to One Million Digits (Math Books for Children)

MAX

Contradictory. On the one hand, it pulls in and on the other ...

ALICE

The phone number must be written to protect against robots

KAI

Phone number need to drive to protect against robots I wrote the number and downloaded no problems.

ISOBEL

A hard book, obviously not for everyone.

The book caused contradictory feelings!

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