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

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R.S. Davis, 1849 - 360 σελίδες
 

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Σελίδα 94 - To reduce a mixed number to an improper fraction. RULE. — Multiply the whole number by the denominator of...
Σελίδα 245 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Σελίδα 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...
Σελίδα 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.
Σελίδα 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...
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 286 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Σελίδα 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.

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