A Practical Arithmetic

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D. Appleton & Company, 1874 - Arithmetic
 

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Page 156 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 233 - DISCOUNT. DISCOUNT is an allowance made for the payment of money before it is due. The present worth of a debt payable at...
Page 77 - When the numerator is less than the denominator, the value of the fraction is less than 1.
Page 110 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Page 76 - An improper fraction is one whose numerator is equal to, or...
Page 94 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator. EXAMPLES.
Page 311 - RULE. 1. Separate the given number into periods of three figures each, beginning at the units place.
Page 305 - Which proves that the square of a number composed of tens and units, contains the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Page 13 - L, fifty; C, one hundred; D, five hundred ; M, one thousand.
Page 137 - Weight is used by apothecaries and physicians in compounding dry medicines. TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.

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