## One to Nine: The Inner Life of NumbersWhat Lynne Truss did for grammar in Eats, Shoots & Leaves, Andrew Hodges now does for mathematics. Andrew Hodges, one of Britain’s leading biographers and mathematical writers, brings numbers to three-dimensional life in this delightful and illuminating volume, filled with illustrations, which makes even the most challenging math problems accessible to the layperson. Inspired by millennia of human attempts to figure things out, this pithy book, which tackles mathematical conundrums from the ancient Greeks to superstring theory, finds a new twist to everything from musical harmony to code breaking, from the chemistry of sunflowers to the mystery of magic squares. Starting with the puzzle of defining unity, and ending with the recurring nines of infinite decimals, Hodges tells a story that takes in quantum physics, cosmology, climate change, and the origin of the computer. Hodges has written a classic work, at once playful but satisfyingly instructional, which will be ideal for the math aficionado and the Sudoku addict as well as for the life of the party. |

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#### ONE TO NINE: The Inner Life of Numbers

User Review - Jane Doe - KirkusA mother lode of lore and learning about the digits.Hodges (Mathematics/Oxford Univ.; Alan Turing: The Enigma, 1983) has much to say about logic, computers, binary (and other base) notational systems ... Read full review

#### LibraryThing Review

User Review - aliay - LibraryThingCall it dorky airplane reading-- I haven't got past the first chapter, but so far it jumps from topic to topic, from idea to idea. It's just having fun. While it might not be superbly rigorous or ... Read full review

### Contents

1 | |

To Be or Not to Be | 37 |

Trinidad | 71 |

Its a Square World | 101 |

Fifth Freedom | 147 |

The Joy of Six | 175 |

The Wonder of it All | 215 |

Sound Bytes | 239 |

End Times Table | 283 |

Handson Experience | 321 |

327 | |

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### Common terms and phrases

actually Alan Turing binary calculator called century Chapter colour force completely complex numbers Constance Reid counting cube cycle decimal defined diagonal digit dimensions duality Einstein electrons enciphering equations equivalent exactly example exponential fact factor factorisation Fermat Fibonacci numbers formula four fundamental G. H. Hardy Gauss geometry gives guess Hardy Hogben human idea infinite integers Killer Sudoku large numbers light logarithm logic look magic mathematicians mathematics means measure Mersenne prime million modulo multiplication natural noughth nuclear One-ness pairs particles pattern Penrose Penrose tilings physical picture Poincaré possible prime numbers probability problem properties protons puzzle quantum mechanics quarks quaternions question random ratio recipe rotation scale sequence shows solve space space-time sphere square root string theory Sudoku symbols theory thing three-dimensional tion Turing Turing’s turns twistor twistor space Two-ness weak force zero