# The National Arithmetic, on the Inductive System: Combining the Analytic and Synthetic Methods, Together with the Cancelling System; Forming a Complete Mercantile Arithmetic

R.S. Davis, 1849 - 360 páginas

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### Contenido

 Partial Payments 173 173 Miscellaneous Problems in Interest 181 181 Compound Interest 183 183 Discount 187 187 Per Centage 188 188 Commission and Brokerage 189 189 Stocks 191 191 Insurance and Policies e 192 192 Y6 Banking 193 193 Barter e e 195 Practice e 196 196 Equation of Payments 199 199 CustomHouse Business e 201 201 Ratio 205 205 Proportion 207 207 Compound Proportion or Double Rule of Three 217221 217 PAGEs 220 Chain Rule 221 221 Partnership or Company Business 223225 223 Partnership on Time 225 225 General Average 227 227
 Discount by Compound Interest 268 Annuities at Compound Interest 269 269 Assessment of Taxes 272 272 Alligation 275 275 Permutations and Combinations 279 279 Life Insurance 282 282 Position 286 290 286 Exchange 290 305 290 Walue of Gold Coins 305 305 Geometry Definitions 309 309 Geometrical Problems 313 313 Gauging 327328 327 Tonnage of Wesse 328329 328 Mensuration of Lumber 330331 330 Philosophical Problems 331 331 Mechanical Powers 335340 335 Specific Gravity 340 340 Strength of Materials 341 341 Astronomical Problems 345347 345 Miscellaneous Questions 347354 347 APPENDIx Weights and Measures 355 355

### Pasajes populares

Página 94 - To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of...
Página 245 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Página 240 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Página 178 - 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, til! all the payments are absorbed ; provided the time between one payment and another be one year or more.
Página 178 - But if any payments 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...
Página 126 - 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.
Página 250 - Raise the ratio to a power whose index is equal to the number of terms, from which subtract 1 ; divide the remainder by the ratio, less 1, and the quotient, multiplied by the first term, will be the answer.
Página 289 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Página 286 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Página 35 - Cut off the ciphers from the divisor, and the same number of figures from the right of the dividend. Then divide the remaining figures of the dividend by the remaining figures of the divisor.