# 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

### Contents

 Definition Characters c 3 Subtraction 11 Division 19 Simple Proportion 31 Compound Proportion 38 Reduction of Vulgar Fractions 57 Division of Vulgar Fractions 64 Reduction of Decimals 70
 Deductions from Weights c 231 Commission and Brokerage 241 Discount 263 Profit and Loss 270 Barter 77 277 Alligation 286 Sinking Fand 297 Terminable Annuities 305

 Addition of Decimals 83 Multiplication of Decimals 89 Division of Decimals 96 Arithmetical Scales 104 Single Position 118 Evolution 124 Duodecimals 133 To find the Number answering to any Logarithm 141 Proportion by Logarithms 144 Geometrical Progression 153 COMMERCIAL ARITHMETIC 161 Scots Weights and Measures 168 Addition of Money c 179 Multiplication of Money c 189 Division of Money c 196 Reduction 202 Simple Proportion 210 Practice 217
 Table of the Public Funds 314 General Averages 341 EXCHANGES 351 Exchange with Hamburgh 352 Holland and Bank of Amsterdain 357 Genoa 392 Malta 403 Petersburgh and Revel 411 American Stocks or Public Funds 425 Exchanges with the West Indies 431 Method of Standarding Coins and Bullion 444 Forms of Merchants Accounts 451 Compound Interest 458 Present Worth of Annuities 464 Table LShowing the Amount of 1 for Years 481 Logarithms 497 Answers to the Exercises 541

### Popular passages

Page 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.
Page 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.
Page 124 - Subtract the square of this figure from the left-hand period, and to the remainder annex the next period for a dividend.
Page 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, £10,000 stock in the 3 per cents, £5,000 stock in the 4 per cents, and £31.
Page 297 - 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 143 - Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Page 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.
Page 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.
Page 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.
Page 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.