# Arithmetical magazine: or, Mercantile accountant, adapted to the commerce of the United States of America: containing some useful improvements in mercantile arithmetic: a new system of exchange, in which the real and imaginary currencies of the different commercial states in the world are reduced to the federal standard. With calculations on the mechanical powers

Printed by G.F. Hopkins, for the author, and sold by the principal booksellers in the United States., 1803 - 252 páginas

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Página 156 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Página 196 - ... 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 119 - DISCOUNT. DISCOUNT is an allowance made for the payment of money before it is due. The present worth of a debt payable at some future time, without interest, is such a sum of money as will, if put at interest for the given time, amount to the debt.
Página 65 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Página 248 - She scuds away at the rate of 10 miles an hour, and the dog on view makes after her at the rate of 18.
Página 203 - RULE. Divide the greater extreme by the less, and the cube root of the quotient, multiplied by the less extreme, gives the less mean ; multiply the said cube root by the less mean, and the product will be the greater mean proportional.
Página 206 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference. 6. If the extremes be 5 and 605, and the number of terms 151, what is the common difference?
Página 242 - The wedge is composed of two inclined planes, whose bases are joined. When the resisting forces and the power which acts on the wedge, are in equilibrio, the weight will be to the power, as the height of the wedge to a line drawn from the middle of the base to one side, and parallel to the direction in which the resisting force acts on that side. To find the force of the wedge.
Página 65 - To reduce a compound fraction to a simple one. RULE. — Multiply all the numerators together for a numerator, and all the denominators together for a denominator ; the fraction thus formed will be an equivalent, but often not in its lowest terms.
Página 175 - IF a whole magnitude be to a whole, as a magnitude taken from the first, is to a magnitude taken from the other; the remainder shall be to the remainder, as the whole to the whole.