A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of Three, Single and Double, Direct and Inverse; Barter; Loss and Gain; Reduction, Multiplication and Division of Fractions; Exchange of Currencies; Interest; and All Proportional Questions in One Rule Applicable to the Whole. The Process Greatly Simplified and Abridged

Marsh, Capen & Lyon, 1837 - Arithmetic - 256 pages
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Contents

 Notation 13 Addition and Subtraction 26 Short Division 36 Supplement to Multiplication 42 Decimal Fractions 48 Addition of Federal Money 54 Promiscuous Examples 101 Reduction of Fractions 107
 Rule of Three Direct 120 Rule of Three Inverse 126 Compound Proportion 132 Supplement to Proportion 140 Reduction of Currencies 151 Interest by Cancelling 159 COMPOUND NUMBERS 225 Tables of Compound Numbers 59 240

Popular passages

Page 56 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 176 - RULE.* — Multiply each payment by the time at which it is due; then divide the sum of the products by the sum of the payments, and the quotient will be the true time required.
Page 32 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 187 - 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 49 - TABLE. 10 Mills =1 Cent. 10 Cents =1 Dime. 10 Dimes =1 Dollar. 10 Dollars =1 Eagle.
Page 251 - America, to be paid to the said or his certain attorney, executors, administrators, or assigns: to which payment well and truly to be made, I bind myself, my heirs, executors, and administrators, firmly by these presents.
Page 199 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Page 101 - Divide by any number that will divide two or more of the given numbers without a remainder, and set the quotients, together with the undivided numbers, in a line beneath.
Page 190 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 213 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be th.e answer. But if the errors are unlike, divide the sum of the products by the sum of the errors, for the answer.