## Figuring with graphs and scales |

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### Contents

Some Preliminary Considerations | 1 |

Logarithms | 6 |

The Slide Rule | 10 |

Copyright | |

4 other sections not shown

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### Common terms and phrases

100 per cent absolute changes accompanying graph adaptation amortization antilogarithm approximate arithmetic grids arithmetic scale axis of abscissas base calibrated scale Capitalization of Dividends cessive integral values common logarithms compound interest computing graphs conventional corresponding cycle determined divisions dotted lines duodecimal system employed equal equation full-logarithmic graphic horizontal illustration increase integral numerical values integral power interpolated intersection items are plotted log grid log paper log X log loga logarithmic graph papers logarithmic scales logarithmically calibrated mantissa mark-up measuring scale method metic multiplied natural numbers nomo nomogram nomograph noted origin paired series percentage decrease plotted point principal purposes quadrant r-axis rate of change ratio graphs ratio grid ratio paper rectilinear curves Rectilinear Rectilinear relationships relative change respective roots and powers s-scale scale figures series is plotted series of variables slide rule straight line tion type of grid variables the suc vertical scale X log grid y-axis yield zero