## Practical slide rule manual |

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### Contents

Chapters Pages I Introduction to the Slide Rule | |

Reading the Scales | ii |

How to Multiply | 11 |

Copyright | |

8 other sections not shown

### Common terms and phrases

30 degrees 45 degrees accurately angle cent circle circumference complex problem cube root decimal point diameter distance equals example feet figure 11 fourth digit fourth place half-way horsepower index falls keep track large numbers left C index let us multiply locate the fourth locate the third locating the second logarithms main divisions mark method miles per hour move the hairline multi number multiplied number of places Observe operations original cost place the decimal plication Practice Set Pull the slide put the hairline raising a number read an answer read the answer read the cube read the square read the value READING THE SCALES reciprocal right C index scale and read scale index scale is numbered second digit sine slide rule solve square inches square root steps student Tangents tenth third digit triangle TRIGONOMETRIC FUNCTIONS turn the rule tween wish to divide wish to locate