The Man of Numbers

Fibonacci's Arithmetic Revolution

By Keith Devlin
(Walker & Company, Hardcover, 9780802778123, 192pp.)

Publication Date: July 5, 2011

Other Editions of This Title: Paperback, Hardcover

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Description

In 1202, a 32-year old Italian finished one of the most influential books of all time, which introduced modern arithmetic to Western Europe. Devised in India in the 7th and 8th centuries and brought to North Africa by Muslim traders, the Hindu-Arabic system helped transform the West into the dominant force in science, technology, and commerce, leaving behind Muslim cultures which had long known it but had failed to see its potential.The young Italian, Leonardo of Pisa (better known today as Fibonacci), had learned the Hindu number system when he traveled to North Africa with his father, a customs agent. The book he created was Liber abbaci, the "Book of Calculation," and the revolution that followed its publication was enormous. Arithmetic made it possible for ordinary people to buy and sell goods, convert currencies, and keep accurate records of possessions more readily than ever before. Liber abbaci's publication led directly to large-scale international commerce and the scientific revolution of the Renaissance.Yet despite the ubiquity of his discoveries, Leonardo of Pisa remains an enigma. His name is best known today in association with an exercise in Liber abbaci whose solution gives rise to a sequence of numbers--the Fibonacci sequence--used by some to predict the rise and fall of financial markets, and evident in myriad biological structures.One of the great math popularizers of our time, Keith Devlin recreates the life and enduring legacy of an overlooked genius, and in the process makes clear how central numbers and mathematics are to our daily lives.




About the Author

Keith Devlin is a Senior Researcher and Executive Director at Stanford's H-STAR institute, which he co-founded. He is also a Consulting Professor in the Department of Mathematics, and a co-founder of the Stanford Media X research network. NPR's "Math Guy," he is the author of more than twenty-eight books, including The Math Gene. He lives in Palo Alto, California.




NPR
Saturday, Jul 16, 2011

In 1202 Leonardo da Pisa (aka Fibonacci) taught Western Europe how to do arithmetic with Arabic numerals. In Man of Numbers: Fibonacci's Arithmetic Revolution, Keith Devlin describes how basic arithmetic changed commerce, banking, science and technology. More at NPR.org

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Praise For The Man of Numbers

"A must-read for anyone interested in the history of math, including undergraduates, mathematicians, and amateur historians." – Library Journal

"The author…is adept at explaining esoteric concepts at the heart of old arithmetic problems, allowing readers to peer into the mind of a medieval Italian businessman." – The Wall Street Journal

"A wonderful and vivid tale about the father of modern mathematics" – Shelf Awareness

"Devlin illuminates one of the most remarkable and underappreciated episodes in cultural history… A surprising visit to a forgotten well-spring of modern thought." – Booklist

"Three cheers for Leonardo Pisano… A wonderful book for history-of-science buffs." – Kirkus Reviews

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