United States Calculator: Or, Arithmetic Simplified

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1841 - Arithmetic - 280 pages

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Page 148 - Multiply the whole number by the numerator of the fraction, and divide the product by the denominator.
Page 257 - Multiply the half sum and the three remainders continually together, and the square root of the product will be the area required...
Page 145 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 251 - ... above the upper deck ; the breadth thereof at the broadest part above the main wales, half of which breadth shall be accounted the depth of such vessel, and...
Page 182 - COMPUTE the interest on the principal sum, from the time when the interest commenced to the first time when a payment was made, which exceeds either alone or in conjunction with the preceding payments (if any) the interest at that time due: add that interest to the principal, and from the sum subtract the payment made at that time, together with the preceding payments (if any) and the remainder forms a new principal ; on which, compute and subtract the interest, as upon the first principal: and proceed...
Page 235 - A, at the end of 8 years, finds himself $400 in debt ; what is their income, and what does each spend per annum '\ A.
Page 83 - If a straight line be divided into any two parts, the square on the whole line is equal to the squares on the two parts, together with twice the rectangle contained by the parts.
Page 269 - 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. RULE.
Page 75 - By division we ascertain how often one number is contained in another. The number to be divided is called the dividend. The number to divide by is called the divisor. The number of times the dividend contains the divisor is called the quotient.
Page 230 - APPLICATION. 1. If a cubical piece of timber be 47 inches long, 47 inches broad, and 47 inches deep, how many cubical inches does it contain? Ans. 103823. 2. There is a cellar dug that is 12 feet every way, in length, breadth, and depth, how many sulid feet of earth were taken out of it?

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