## Merriam-Webster's Guide to Everyday Math: A Home and Business ReferenceStep-by-step instructions for solving common math problems. Perfect for the office or home. - Practical answers to a range of questions from percentages, loans, and balance sheets to lumber dimensions and baseball stats - Features a quick-reference guide to formulas and conversions - Includes interesting sidebars and anecdotes |

### Contents

Numbers and Calculating | 1 |

Fractions Decimals Percents | 2 |

Rounding Off | 20 |

Number Sequences | 22 |

Infinity and Infinitesimal | 26 |

The Vocabulary of Arithmetic | 27 |

Arithmetic Operations | 29 |

Exponents and Roots | 41 |

Astronomical Distances | 176 |

Sound | 181 |

Probability Gambling and Statistics | 188 |

Probability | 189 |

Counting Methods | 195 |

Odds and Mathematical Expectation | 209 |

Casino Games and Parimutuel Betting | 213 |

Statistics | 238 |

Logarithms | 45 |

Factorials | 51 |

Order of Operations | 52 |

Scientific Notation | 54 |

Calculator Calculation | 57 |

Algebra Geometry and Trigonometry | 61 |

Coordinate Geometry | 67 |

Classical Geometry | 74 |

Area and Volume of Geometric Figures | 81 |

Ratio and Proportion | 85 |

Trigonometry | 102 |

A Glance at Calculus | 112 |

Everyday Mathematics | 114 |

Energy Sources | 123 |

Construction | 129 |

Automobiles | 140 |

The Physical World | 151 |

Weather and the Environment | 153 |

Time | 157 |

Geography Navigation and Travel | 163 |

Correlation | 251 |

The Misuse of Statistics | 253 |

Baseball Statistics | 254 |

Business and Personal Finance | 257 |

Interest | 258 |

Calculating Interest Payments | 261 |

Annuities and Rents | 270 |

Mortgages | 278 |

Investing Money | 287 |

Stocks | 290 |

Bonds | 295 |

US Government Securities | 297 |

Mutual Funds | 301 |

TaxDeferred Investment Plans | 304 |

Investment Strategies | 309 |

Basic Bookkeeping | 312 |

Individual Income Tax | 320 |

Tables and Formulas | 323 |

347 | |

### Common terms and phrases

amount angle annual Assume average bank bets bond calculated called cards common compounding contains convert cost cubic decimal denominator difference digits discount distance distribution divided divisible dollar double earned equal equation equivalent event example expectation expressed factor fall feet figure fluid ounces formula four fraction funds given gives heads height inches income increase indicates interest investment length less loan means measure meters miles month monthly mortgage multiply notes objects odds original outcome paid payment percent percentage period player position possible probability proportion range ratio referred represents result rounded scale share shows side simple sound square standard subtract symbol T-bill Table temperature tion toss triangle units usually volume