To see the world in a grain of sand. | The Language of Mathematics: Making the Invisible Visible

Refreshing my love of math | The Language of Mathematics: Making the Invisible Visible | Keith Devlin

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	• The Language of Mathematics: Making the Invisible Visible Keith Devlin Holt Paperbacks, 2000 - 352 pages average customer review:based on 24 reviews view larger image
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highly recommended

What is Math?

If you ever really wondered whats behind all of the numbers this is the book that you want. Very easy to read and explains everything you wanted to know about Math.

To see the world in a grain of sand.

Devlin's language of mathematics is an outstanding book "about" mathematics. It's best suited to lay audiences without any background in mathematics, I particularly disagree with other reviews which claimed that this work require any higher understanding of mathematics. In fact, if you are one of the people (including myself) who have not done any math or took a class or read a book relating to math since secondary school, this is a good place for you to start. I'm a lawyer who have spent much of a lifetime as a math-loathing individual. My mathematics education ceased 13 years ago when I was 17. But thanks to this book, with its blend of engaging narative history as well as concise-but-sharp explanations on the concepts of mathematics, I am now in love with mathematics for the first time in my life.

This book needs not be read from cover to cover. Every discussion can stand on their own, and you are free to explore the content as your curiosity may lead. The first two chapters about what mathematical endeavor has been to manknid is brief but effective. I especially like the chapter on the mathematical induction; the subject was presented very clear yet powerful. The power of that simple exposition awakened something in me. I can only regret that I wasn't exposed to something like this when I was in school. It would have changed my life.

However, if you want a proper mathematics education. This book is not up to that task. It is written only to educate lay people or just to whet an appetite for more serious treatment of math. In short, this is a book "about" mathematics, not a mathematics book. Therefore if you have a serious goal in reeducating yourself about math, I recommend "What is mathematics?" by Courant (it has got to be one of the best math books written in the past 60 years). Also books written by Prof John Stillwell definitely worth checking out. Stillwell wrote many books on fundamental concepts of mathematics without requiring deeper background than highschool mathematics.

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Refreshing my love of math

I'm in my early 30's, got an undergraduate math degree, and have been experiencing a renewal of my interest in math. I found this book at the perfect time.

The negative reviews on this book are true. I can't imagine more than small parts of chapters being interesting to someone who hasn't already been exposed to university level maths. The symmetry and topology chapters were very entertaining, but I can imagine them being a little opaque for someone without prior study of these topics (or who hadn't at least tried to tile their bathroom).

If you're in my position, having studied math, forgot about it for a couple of years, and are now renewing your interest in it, I highly recommend this book. If you've never studied, but are interested in learning about math, find an easier introduction and save this for your 3rd or fourth book, when you're ready to see how math helps us understand abstract ideas even before they have real world application.

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A Beautiful Read

A beautiful read. And I mean beautiful. As I read I could envision see the beauty in the patterns being described. It is both history and description. I would definitely recommend this book.

An excellent way to begin the study of the universal language of the universe

It has long been argued that to understand the universe, it is first necessary to understand the language used to describe it, namely mathematics. Devlin opens with that position and then proceeds to give a historical account of many areas of mathematics and how they are used to describe the actions of the physical world. Devlin does an excellent job in explaining the mathematics at a level of basic understanding, although to his credit he does not hesitate to include formulas and equations when they are necessary.
Some of the topics covered are:

*) Formal grammars
*) Number theory
*) Conic sections
*) Logical reasoning
*) The fundamental geometries
*) Basic topology
*) Fundamental probability

In each section, Devlin's goal is to explain the material well enough so that the reader can understand and appreciate the value that it brings to the mathematical world. He is very successful in this endeavor, developing the topic in sufficient yet with no unnecessary detail so that the bright and dedicated reader will be able to appreciate the overall beauty and utility of mathematics.

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"The great book of nature," said Galileo, "can be read only by those who know the language in which it was written. And this language is mathematics." In The Language of Mathematics, award-winning author Keith Devlin reveals the vital role mathematics plays in our eternal quest to understand who we are and the world we live in. More than just the study of numbers, mathematics provides us with the eyes to recognize and describe the hidden patterns of life?patterns that exist in the physical, biological, and social worlds without, and the realm of ideas and thoughts within.

Taking the reader on a wondrous journey through the invisible universe that surrounds us?a universe made visible by mathematics?Devlin shows us what keeps a jumbo jet in the air, explains how we can see and hear a football game on TV, allows us to predict the weather, the behavior of the stock market, and the outcome of elections. Microwave ovens, telephone cables, children's toys, pacemakers, automobiles, and computers?all operate on mathematical principles. Far from a dry and esoteric subject, mathematics is a rich and living part of our culture. An exploration of an often woefully misunderstood subject, The Language of Mathematics celebrates the simplicity, the precision, the purity, and the elegance of mathematics. Keith Devlin is Dean of the School of Science at Saint Mary's College of California and Senior Researcher at Stanford University's Center for the Study of Language and Information. A key participant in the six-part PBS television series "Life by the Numbers," he is the author of Life by the Numbers, Goodbye, Descartes, Logic and Information, and Mathematics: The New Golden Age. His most recent book is InfoSense: Turning Information into Knowledge. "The great book of nature," said Galileo, "can be read only by those who know the language in which it was written. And this language is mathematics." In The Language of Mathematics, award-winning author Keith Devlin reveals the vital role mathematics plays in our eternal quest to understand who we are and the world we live in. More than just the study of numbers, mathematics provides us with the eyes to recognize and describe the hidden patterns of life?patterns that exist in the physical, biological, and social worlds without, and the realm of ideas and thoughts within.

Taking the reader on a wondrous journey through the invisible universe that surrounds us?a universe made visible by mathematics?Devlin shows us what keeps a jumbo jet in the air, explains how we can see and hear a football game on TV, allows us to predict the weather, the behavior of the stock market, and the outcome of elections. Microwave ovens, telephone cables, children's toys, pacemakers, automobiles, and computers?all operate on mathematical principles. Far from a dry and esoteric subject, mathematics is a rich and living part of our culture. An exploration of an often woefully misunderstood subject, The Language of Mathematics celebrates the simplicity, the precision, the purity, and the elegance of mathematics. "Devlin succeeds both in giving us a glimpse of the internal beauty of the subject and in demonstrating its usefulness in the external world. The Language of Mathematics is lucidly written and richly illustrated, and remains accessible and enthusiastic throughout."?The Economist

"Keith Devlin's The Language of Mathematics is the perfect book for people who have questions about math they've always wanted to ask but were afraid they wouldn't understand the answers to."?Boston Book Review

"Devlin takes readers on a tour of the numeric underpinnings of everyday life."?Wired

"As Galileo put it, ?The great book of nature can be read only by those who know the language in which it was written. And this language is mathematics.' Keith Devlin is an apt teacher of the language."?Scientific American

"Devlin, who is able to write for generalists, embarks on the sea of numbers, shapes, and patterns. His voyage potentially had sixty or so destinations, the discrete topics that make up mathematics; to manage the trip Devlin limits the port of call to eight . . . Devlin's tour indeed achieves its purpose."?Booklist

"Those interested in a broad take on the history and current state of the art of math should look no further than The Language of Mathematics."?Publishers Weekly The Language of Mathematics
Making the Invisible Visible
Keith Devlin (St. Mary's College)

Chance
Every year, thirty million people flock to a small town in the middle of the Nevada desert. The purpose of their trip?and the only reason why the town of Las Vegas is anything other than a small, sleepy, dusty hamlet?is gambling. In present-day America, gambling is a $40 billion business, and it is growing faster than almost any other industry. By knowing about the patterns of chance, casinos ensure that they make an average of 3 cents on every dollar. As a result, they enjoy annual profits of $16 billion.

Contemplating today's glitzy?and sometimes seedy?world of casinos, it is easy to forget that the entire gambling industry rests upon a series of letters exchanged by two French mathematicians in the middle of the seventeenth century.

Equally dependent on that seventeenth century mathematics is gambling's more respectable cousin, the insurance industry. (Actually, insurance was not always viewed as respectable. Until well into the eighteenth century, the issuance of life insurance was illegal in all European countries except England.)

In mathematical terms, what those two Frenchmen did was found the present day subject of probability theory?the branch of mathematics that studies the patterns of chance.

Who Goes to Heaven?
People have always been fascinated by chance. For instance, according to ancient Greek mythology, the world began when the three brothers Zeus, Poseidon, and Hades rolled dice for the universe. On that occasion, so the story goes, Zeus won the first prize, the heavens, Poseidon took second prize, the seas, and Hades had to settle for hell.

Early dice generally consisted of the small, squarish knuckle-bone, called an astralagus, taken from the ankles of sheep or deer. Paintings of dice games using astralagi have been found on the walls of Egyptian tombs and on Greek vases, and polished astralagi have been found in archaeological excavations in many parts of the ancient world.

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But for all the fascination with dice and other games of chance, it was not until the seventeenth century that anyone worked out the mathematics of games of chance. Perhaps surprisingly, the Greeks did not even try to develop such a theory. Given their high regard for mathematical knowledge, this was almost certainly because they did not believe there was any order to be found in chance events. For the Greeks, chance was the complete absence of order. Aristotle wrote "It is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs."

In some sense, the Greeks were right: There is no order in a purely chance event. To find order in chance?to discover a mathematical pattern--you have to see what happens when the same kind of chance event is repeated many times.

Figuring the Odds
The first step toward a theory of chance came when a sixteenth century Italian physician̵

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