## 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 |

### Common terms and phrases

abscissa angle atmosphere axis base bismuth body breadth bushels called capacity cask cast iron cent centre chord circle circumference common contain contents copper cube cubic feet cubic inches cylinder decimal denominator depth describe diameter difference distance divide the product divisor draw equal EXAMPLE extreme falling figure find the solidity foot force fraction frustum gallons given gold grains greater greatest half head heat inches interior lead length less mean measure metal miles minute Multiply nearly NOTE obtained perpendicular pipe pitch plane pounds progression proportional pure quantity quotient radius ratio reduce remainder respective right-angled RULE screw segment side silver sine solidity space square root supposed surface TABLE taken teeth thickness triangle United velocity weight wheel whole zinc

### 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...