# A Complete System of Theoretical and Mercantile Arithmetic: Comprehending a Full View of the Various Rules Necessary in Calculation. With a Practical Illustrations of the Most Material Regulations and Transactions that Occur in Commerce. Particularly, Interest, Stocks, Annuities, Marine Insurance, Exchange, &c., &c. Comp. for the Use of the Students at the Commercial Institution, Woodford

Law and Whittaker, 1818 - 574 уелЯдет

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### Ресйечьменб

 Definition Characters c 3 Subtraction 11 Division 19 Simple Proportion 38 Addition of Vulgar Fractions 57 Division of Vulgar Fractions 64 Reduction of Decimals 70 Addition of Decimals 83
 Practice 217 Deductions froin Weights c 231 Commission and Brokerage 241 Simple Interest 250 Discount 263 Profit and Loss 270 Barter 277 Alligation 236 286

### ДзмпцйлЮ брпурЬумбфб

УелЯдб 96 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
УелЯдб 49 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
УелЯдб 124 - Subtract the square of this figure from the left-hand period, and to the remainder annex the next period for a dividend.
УелЯдб 296 - ... 10 per cent per month, until the whole is paid,) he will receive three receipts, which separately contain an engagement to transfer to the person possessing them, Ј10,000 stock in the 3 per cents, Ј5,000 stock in the 4 per cents, and Ј31.
УелЯдб 297 - Exchequer bills are issued for different hundreds or thousands of pounds, and bear an interest of 2±d . per cent. per diem, from the day of their date, to the time when they are advertised to be paid off. Navy bills are merely bills of exchange, drawn at 90 days...
УелЯдб 143 - Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
УелЯдб 129 - 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.
УелЯдб 52 - Rule. — Multiply each numerator by all the denominators except its own for the new numerators, and multiply all the denominators together for a common denominator.* Example.
УелЯдб 32 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
УелЯдб 140 - And if the given number be a proper vulgar fraction ; subtract the logarithm of the denominator from the logarithm of the numerator, and the remainder will be the logarithm sought ; which, being that of a decimal fraction, must always have a negative index.