## 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 2-scale absolute changes accompanying graph adaptation amortization antilogarithm approximate arithmetic grids arithmetic scales axis of abscissas axis of ordinates base CAPITALIZATION OF DIVIDENDS common logarithms compound interest computing graphs constructed conventional corresponding cycle determine diagonal representing divisions dotted lines duodecimal system employed equal equation full-logarithmic gold graph grid horizontal illustration increase indicated inside leg integral power interpolated intersection items are plotted log grid log X log loga logarithmic graph papers logarithmic scales mantissa measuring scale method metic multiplied natural numbers nomo nomographie numerical values obtained origin percentage decrease plotted point principles problems purposes quadrant rate of change rate of decrease ratio graphs ratio grid ratio paper rectilinear curves relative change roots and powers scale figures scale representing scrap value selling price slide rule Stock prices straight line tion trial-and-error methods type of grid variables vertical scale X log grid yield zero