### Фй лЭне пй чсЮуфет -Уэнфбоз ксйфйкЮт

Ден енфпрЯубме ксйфйкЭт уфйт ухнЮиейт фпрпиеуЯет.

### Ресйечьменб

 NOTATION AND NUMERATION 1 SIMPLE ADDITION 8 COMPOUND NUMBERS 37 REDUCTION OF COMPOUND NUMBERS 44 COMPOUND ADDITION 50 INVOICES 74 VULGAR FRACTIONS 80 PRACTICE 97
 DISCOUNT 175 INSURANCE 181 SHARES STOCKS 195 EQUATION OF PAYMENTS 201 SCALES OF NOTATION 209 SERIES 222 COMPOUND INTEREST 227 EXCHANGE 246

 MENTAL ARITHMETIC 109 RATIO 119 COMPOUND 128 COMMERCIAL ALLOWANCES 159
 ALLIGATION 252 MISCELLANEOUS QUESTIONS 262 TABLES OF COMPOUND INTEREST AND ANNUITIES 269

### ДзмпцйлЮ брпурЬумбфб

УелЯдб 197 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down. NOTE.
УелЯдб 34 - To divide by 10, 100, &c., is simply cutting off as many figures from the right of the dividend as there are ciphers in the divisor.
УелЯдб 177 - Divide the sum of the products by the sum of the debts, and the quotient will be the average term of credit, estimated from the date selected.
УелЯдб 72 - To reduce a mixed number to an improper fraction, Multiply the whole number by the denominator of the fraction, and to the product add the numerator; under this sum write the denominator.
УелЯдб 189 - NOTE 3. If in extracting the root of a number there is a remainder, after all the periods have been brought down, periods of ciphers may be annexed by considering them as decimals. EXAMPLES.
УелЯдб 70 - An Improper Fraction is one whose numerator is equal to or greater than its denominator ; as, f...
УелЯдб 198 - ... in which case ciphers may be annexed, forming new periods, each of which will give one decimal place in the root. 2. What is the square root of 36729 ? 3 67 29(191,64+.
УелЯдб 141 - I. To find the interest of any given sum for one year. RULE. Multiply the principal by the rate per eent.
УелЯдб 200 - A and B set out to meet each other. A went 3 miles the first day, 5 the second, 7 the third, and so on. B went 4 miles the first day, 6 the second, 8 the third, and so on. In how many days did they meet?
УелЯдб 38 - Pendulum vibrating Seconds of Mean Time in the Latitude of London in a Vacuum at the Level of the Sea...