# 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 of Three Fellowship 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 Money 280 Coins 287 Weights and Measures 297 BookKeeping 305 Business Forms 320 Signs 333

### Δημοφιλή αποσπάσματα

Σελίδα 6 - Cardinal numbers: 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20...
Σελίδα 326 - 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 243 - These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Σελίδα 63 - 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 154 - 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 year; add it to the sum paid, and deduct that sum from the principal and interest, added as above...
Σελίδα 154 - 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, till all the payments are absorbed ; provided the time between one payment and another be one year or more.
Σελίδα 265 - 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 336 - If four magnitudes are in proportion, the product of the two extremes is equal to the product of the two means.
Σελίδα 6 - ... seventy-one 72 seventy-two 73 seventy-three 74 seventy-four 75 seventy-five 76 seventy-six 77 seventy-seven 78 seventy-eight 79 seventy-nine 80 eighty 81 eighty-one 82 eighty-two 83 eighty-three 84 eighty-four 85 eighty-five 86 eighty-six 87 eighty-seven 88 eighty-eight 89 eighty-nine 90 ninety 91 ninety-one 92 ninety-two 93 ninety-three 94 ninety-four 95 ninety-five 96 ninety-six 97 ninety-seven 98 ninety-eight 99 ninety-nine 100 one...
Σελίδα 221 - Thus 4x4=16: the number 16 is the 2nd power or square of 4. If a number be multiplied by itself, and the product arising, be again multiplied by the number, the second product is called the 3rd power, or cube of the number.