# Daboll's Schoolmaster's Assistant: Improved and Enl. ...

G. Tracy, 1837 - Arithmetic - 240 pages
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### Contents

 Questions for Exercise 30 Commission 34 Reduction 63 Contractions 87 Rules for reducing the different currencies of the several 96 Compound 120 Subtraction Simple 127 Discount 135
 Federal Money 151 to the same day in any other month 172 Fellowship 177 Numeration 191 Permutation of Quantities 204 Tare and Trett 218 Useful Forms in transacting business 234 81

### Popular passages

Page 180 - Find the greatest square number in the first or left hand period, place the root of it at the right hand of the given number, (after the manner of a quotient in division) for the first figure of the root, and...
Page 174 - Compute the interest to the time of the first payment, if that be one year or more from the time the interest commenced ; add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above; and in like manner from one payment to another, till all the payments are absorbed, provided the time between one payment and another be one year or more.
Page 174 - But if any payment be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation, for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the year; add it to the sum paid, and deduct that sum from the principal and interest added as above.
Page 25 - If the lower figure is greater than that, above it, add ten to the upper figure ; from which number so increased, take the lower and set down the remainder, carrying one to the next lower number, with which proceed as before, and so on till the whole is finished.
Page 114 - Weight, which is the whole weight of any sort of goods, together with the box, cask, or bag, &c. which contains them. 2. Tare, which is an allowance made to the buyer, for the weight of the box, cask, or bag, ifec.
Page 183 - RULE. 1. Separate the given number into periods of three figures each, by putting a point over the unit figure, and every third figure from the place of units to the left, and if there be decimals, to the right.
Page 134 - Find the interest for a year, and add it to the principal, 'which call the amount for the first year ; find the interest of this amount, which add as before, for the amount of the second, and so on for any number of years required. Subtract the original principal from the last amount, and the remainder will be the Compound Interest for the whole time.
Page 87 - ... if the shillings be odd ; and the third place by 1 "when the farthings exceed 12, and by 2 when they exceed 36.
Page 157 - RULE. — Divide the numerator by the denominator, and the quotient will be the whole or mixed number required.
Page 86 - To find the value of a decimal in the known parts of the integer. RULE. *'•'.: > ' , 1. Multiply the decimal by the number of parts in the next less denomination, and cut oft' so many places for a remainder, to the right hand, as there are places in the given decimal.