Arithmetic, Rational and Practical: Wherein the Properties of Numbers are Clearly Pointed Out, the Theory of the Science Deduced from First Principles, the Methods of Operation Demonstratively Explained, and the Whole Reduced to Practice, in a Great Variety of Useful Rules. Consisting of Three Parts, Viz. Vulgar arithmetic. Decimal arithmetic. Practical arithmetic. I.. II.. III.

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A. Kincaid & W. Creech, 1772 - Arithmetic

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Page 143 - When first the marriage knot was tied Betwixt my wife and me, My age did hers as far exceed As three times three does three ; , But when ten years and half ten years We man and wife had been, Her age came up as near to mine As eight is to sixteen. Now tell me, I pray, What were our ages on the wedding-day...
Page 154 - Subtract the square number from the left hand period, and to the remainder bring down the next period for a dividend. III. Double the root already found for a divisor ; seek how many times the divisor is contained...
Page 169 - ... things equal to one and the fame thing are equal to one another...
Page 276 - The marginal figures on the left of the column of age ferve to fhorten the table, and fignify, that the value of an annuity for the age denoted by them, is the fame with the value of an annuity for the age denoted by the numbers before which 1hey-ftand.
Page 137 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.
Page 181 - If the means and one of the extremes are given, the other extreme may be found by dividing the product of the means by the given extreme. Thus, if...
Page 62 - The bank is reckoned good fecurity ; de* mands on the bank are readily anfwered ; and hence bank money is generally rated from 3 to 6 per cent, better than the current. The difference between the bank and current money is called the agio. Bills on Holland are always drawn in bank money ; and if accounts be fent over from Holland to Britain in current money, the Britifh merchant pays thefe accounts by bills, and in this cafe has the benefit of the agio.
Page 179 - The sum of all the terms. Any three of which being given, the other two may be found.
Page 143 - A gentleman caught a fifh, whofe head was 6 inches long, the tail as long as the head, and half...
Page 145 - Baures each, beginning at the right hand in integers, and pointing toward the left. But in decimals, begin at the place of thousands, and point toward the right.

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