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Who invented zero? Why 60 seconds in a minute? How big is infinity? Where do parallel lines meet? And can a butterfly's wings really cause a storm on the far side of the world? In 50 Maths Ideas You Really Need to Know, Professor Tony Crilly explains in 50 clear and concise essays the mathematical concepts - ancient and modern, theoretical and practical, everyday and esoteric - that allow us to understand and shape the world around us. Packed with diagrams, examples and anecdotes, this book is the perfect overview of this often daunting but always essential subject. For once, mathematics couldn't be simpler. Contents include: Origins of mathematics, from Egyptian fractions to Roman numerals; Pi and primes, Fibonacci numbers and the golden ratio; What calculus, statistics and algebra can actually do; The very real uses of imaginary numbers; The Big Ideas of relativity, Chaos theory, Fractals, Genetics and hyperspace; The reasoning behind Sudoku and code cracking, Lotteries and gambling, Money management and compound interest; Solving of Fermat's last theorem and the million-dollar question of the Riemann hypothesis.

" " How to transform old negative patterns into positive imprints An angry terror lurks at the bottom of a dark pit... Jay and Lila Cooper are back for another adventure, this time in search of a young treasure-seeker whose ambitions drove him to the bottom of a pit, never to return. In their struggle to understand what happened to him, the Coopers learn of a greedy, man-eating creature known as Ha-Raphah, who terrorizes locals into worshiping him. Although they are certain he is extremely dangerous, Jay and Lila are determined to uncover the truth. This story of dangerous exploits and a mission to stop an evil that holds a population in its crushing grip will have you hooked from start to finish. A young woman has accused Barb’s son, Tommy—a young doctor doing his residency—of assaulting her. The yarns spun by the local rumor mill are On the Sensations of Tone as a Physiological Basis for the Theory of Music ebook pdf bad enough, but when the woman is found dead in her ransacked apartment, Tommy becomes the number one suspect.

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Author: Tony Crilly
Number of Pages: 208 pages
Published Date: 31 Jul 2014
Publisher: Quercus Publishing
Publication Country: London, United Kingdom
Language: English
ISBN: 9781848667051
Download Link: Click Here
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