# The Computist's Manual of Facts: And Merchant's and Mechanic's Calculator and Guide; Or, A Complete Library of Numerical, Arithmetical and Mathematical Facts, Tables, Data, Formulas and Practical Rules, for the General Business Man, Merchant, Mechanic and Accountant

The author, 1853 - Business mathematics - 252 pages

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### Contents

 CENTRES OF SOLIDS 74 Dilation of Solids by Heat TABLE 83 29 84 duce one to another c 89 Degrees of Longitude Length of 113 BLE 120 189 123 Compound Average 124 To Extract the Cube Root 131
 148 180 To find the Length of the Curve of a Pa THE LEVER 191 rabola 210 CENTRE OF GYRATION 224 167 228 OF PENDULUMS 230 OF CONTINUOUS CIRCULAR MOTION 239 To Construct a Wheel to a Given 240 by the last to one revolution of the Solders 251

### Popular passages

Page 132 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 123 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Page 175 - So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Page 224 - G, the distance of the centre of gyration from the axis of motion, t, the time the force acts, v the velocity acquired by the revolving body in that time.
Page 104 - To reduce a whole number to an equivalent fraction, having a given denominator. RULE. Multiply the whole number by the given denominator, and place the product over the said denominator, and it will form the fraction required.
Page 133 - Subtract the cube of this number from the first period, and to the remainder bring down the first figure of the next period for a dividend.
Page 119 - Sir," said I, after puzzling a long time over "more requiring more and less requiring less" — "will you tell me why I sometimes multiply the second and third terms together and divide by the first — and at other times multiply the first and second and divide by the third?" "Why, because more requires more sometimes, and sometimes it requires less — to be sure. Haven't you read the rule, my boy?" " Yes, sir, I can repeat the rule, but I don't understand it.
Page 108 - It will be seen that we multiply the denominator of the dividend by the numerator of the divisor for the denominator of the quotient, and the numerator of the dividend by the denominator of the divisor for the numerator of the quotient.
Page 142 - Multiply continually together all the terms of the natural series of numbers, from 1 up to the given number, and the last product will be the answer.
Page 123 - Divide the amount of the debt at its maturity by one dollar plus its interest for the given time and rate and the quotient will be the present worth. Subtract the present worth from the amount...