# 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 - Arithmetic - 574 pages

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### Contents

 Definition Characters 3 Simple Proportion 38 Reduction of Vulgar Fractions 60 Proportion of Vulgar Fractions 66 Addition of Decimals 83 Multiplication of Decimals 89 Division of Decimals 96 Arithmetical Scales 104
 Account of the different kinds of Stock 297 Exchequer Bills c 307 Table of the Public Funds 31 4 314 General Averages 341 EXCHANGES 351 Exchange with Hamburgh 370 352 Holland and Bank of Amsterdam 357 Paris and Bourdeaux 378

 Single Position 118 Evolution 124 Duodecimals 183 133 To find the Number answering to any Logarithm 142 Proportion by Logarithms 14 4 144 COMMERCIAL ARITHMETIC 161 Scots Weights and Measures 168 Addition of Money c 179 Reduction 202 Simple Proportion 2 217 Deductions from Weights c 231 Commission and Brokerage 241 Discount 263 Profit and Loss 27 270 Barter 277 Alligation 286
 Lisbon and Oporto 387 Genoa 394 Naples 401 Vienna 407 Riga 414 Scotland 420 Exchange with Amsterdam 3 1 431 Method of Standarding Coins and Bullion 444 Forms of Merchants Accounts 451 Compound Interest 458 Present Worth of Annuities 464 Showing the Amount of 1 for Years 481 W1 Showing the Annuity which 1 will purchase 488 Logarithms 495 Answers to the Exercises 541

### Popular passages

Page 94 - 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.
Page 47 - 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.
Page 122 - Subtract the square of this figure from the left-hand period, and to the remainder annex the next period for a dividend.
Page 294 - ... 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, £10,000 stock in the 3 per cents, £5,000 stock in the 4 per cents, and £31.
Page 295 - Exchequer bills are issued for different hundreds or thousands of pounds, and bear an interest of 2ħd . 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...
Page 141 - Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Page 127 - 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 50 - 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.
Page 30 - 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.
Page 138 - 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.