## Numbers: Their History and MeaningMuch in our daily lives is defined in numerical terms-from the moment we wake in the morning and look at the clock to dialing a phone or paying a bill. But what exactly is a number? When did man begin to count and record numbers? Who made the first calculating machine-and when? At what point did people first think of solving problems by equations? These and many other questions about numbers are answered in this engrossing, clearly written book. |

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User Review - miketroll - LibraryThingA hugely entertaining work of mathematical history. Read full review

### Contents

The Beginning of Numbers | 10 |

Counting by Fives | 23 |

Counting with Knots | 36 |

The Development of Numeral Systems | 50 |

The HinduArabic Numerals | 67 |

CHAPTER FOUR Calculating with Numbers | 81 |

Division | 109 |

Ratio and Proportion | 122 |

Calculating Machines | 164 |

The Square of the Unknown | 179 |

Higher Powers of the Unknown | 194 |

Indeterminate Unknowns | 212 |

CHAPTER SEVEN Recreational Numbers | 225 |

Numbers with Special Properties | 245 |

The Real Numbers | 260 |

CHAPTER NINE Teaching and Learning Numbers | 278 |