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### Contents

 PART I 1 Subtraction 7 TABLES of English Coin 18 COMPOUND Addition 25 Direct Proportion 56 SUBTRACTION of Circulating Class I Exchange with 89 VULGAR FRACTIONS 102 Division of ditto 123
 PART II 219 DOUBLE POSITION 225 Geometrical Progression 233 Variations 239 SIMPLE Interest by Decimals 265 EQUATION of PAYMENTS 268 Tables for calculating Annui 274 Rule of Three Direct in ditto 83 ADDITION of ditto 285

 DISCOUNT 184 BARTER 199 The necessary TABLES of 213
 PART III 304 Bills of PARCEL� exer 316 Promissory Notes 330

### Popular passages

Page 290 - Ratio is the relation which one quantity bears to another of the same kind, the comparison being made by considering what multiple, part, or parts, one quantity is of the other.
Page 24 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =� 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Page 148 - 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 216 - Multiplier. 2. Multiply each term in the Multiplicand (beginning at the lowest) by the feet in the Multiplier...
Page 210 - To extract the Square Root of a Vulgar Fraction. RULE, Reduce the fraction to its lowest terms, then extract the square root of the numerator for a new numerator, and the square root of the denominator for a new denominator.
Page 92 - ... each other ; observing to increase the first figure of every line with what would arise by carrying 1 from 5 to 15, 2 from 15 to 25, &c.
Page 234 - When any number of terms is continued in Geometrical Progression, the product of the two extremes will be equal to...
Page 66 - Divide the terms of the given fraction by any number which will divide them without a remainder, and the quotients again in the same manner ; and so on, till it appears...
Page 69 - Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Page 202 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...