# A Practical Treatise on Arithmetic, [etc.].

Otis, Broaders & Company, 1841 - 340 σελίδες

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### Περιεχόμενα

 Numeration 9 Addition 20 Subtraction 28 Multiplication 35 Division 45 Promiscuous Questions in Addition Subtraction Mul 56 Decimal Fractions 81 Promiscuous Questions in Fractions 93
 Rule of Three Compound 178 Simple Fellowship 185 General Average 192 Promiscuous Questions in Rule 203 Gauging 221 Cube Root 233 Specific Gravity 241 The Wheel and Axle 250

 Compound Numbers Tables 104 Reduction of Compound Numbers 110 Addition of Compound Numbers 122 Division of Compound Numbers 128 Percentage 134 Draft and Tare 140 Compound Interest 158 Equation of Payments 164 Rule of Three 170
 The Wedge 257 Progression by Quotient 267 Annuities at Simple Interest 274 Coins 280 Weights and Measures 297 BookKeeping 305 Business Forms 320 Repeating Decimals 334

### Δημοφιλή αποσπάσματα

Σελίδα 329 - At sixty days sight of this my first of exchange, second and third of the same tenor and date not paid, pay to James Parke or order, eleven thousand francs, with or without further advice from me.
Σελίδα 157 - 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...
Σελίδα 157 - But if any payment 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 year : add it to the sum paid, and deduct that sum from the principal and interest added as...
Σελίδα 166 - Multiply each debt by the time to elapse before it is due, and divide the sum of the products by the sum of the debts.
Σελίδα 268 - There are five things in arithmetical progression, any three of which being given, the other two may be found : — 1st. The first term. 2d. The last term. 3d. The number of terms. 4th. The common difference. 5th. The sum of all the terms.
Σελίδα 66 - 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 given numerator.
Σελίδα 339 - If four magnitudes are in proportion, the product of the two extremes is equal to the product of the two means.
Σελίδα 71 - ... multiply each numerator by all the denominators, except its own, for a new numerator, and under it write the common denominator.
Σελίδα 209 - The area of a triangle is equal to half the product of its base by its altitude.
Σελίδα 158 - ... 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 year; add it to the sum paid, and deduct that sum from the principal and interest added as above.