Howard's California Calculator and Golden Rule for Equation of Payments: The Newest, Quickest and Most Complete Instructor for All who Desire to be "quick at Figures".

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C. Howard Frusher, 1878 - Business mathematics - 94 pages
 

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Page 83 - Multiply each debt by its term of credit, and divide the sum of the products by the sum of the debts. The quotient will be the average term of credit.
Page 38 - 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 71 - RULE. — Divide the given sum by the amount of $1 for the given time and rate, and the quotient will be the PRESENT WORTH. from the given sum subtract the present worth, and the remainder will be Hie DISCOUKT.
Page 38 - RULE. Multiply as in whole numbers, and from the right hand of the product point off as many figures for decimals as there are decimal places in both factors.
Page 41 - Exactness requires the addition, to every three hundred bushels, of one extra bushel. The foregoing rule may be used for finding the number of gallons, by multiplying the number of bushels by 8. If the corn in the box is in...
Page 50 - General rule for measuring timber, to find the solid contents in feet. RULE. — Multiply the depth in inches by the breadth in inches, and then multiply by the length in feet, and divide by 144. To find the number of feet of timber in trees with the bark on. RULE. — Multiply the square of one-fifth of the circumference in inches, by twice the length, in feet, and divide by 144.
Page 31 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Page 41 - Now, an ordinary-sized man can train himself to cover 1 yard at a stride, on the average, with sufficient accuracy for ordinary purposes. To make use of this means of measuring distances, it is essential to walk in a straight line ; to do this, fix the eye on two objects in a line straight ahead, one comparatively near, the other remote; and, in walking, keep these objects constantly in line. Farmers and others by adopting the following simple and ingenious contrivance, may ahvays carry with them...
Page 40 - How to measure grain. RULE. — Level the grain ; ascertain the space it occupies in cubic feet; multiply the number of cubic feet by 8, and point off one place to the left.
Page 58 - IN CALCULATION. — Whenever it is required to multiply two or more numbers together, and divide by a third, the first step is to state the problem in its most manageable form ; this can only be done by the use of the arithmetical signs. The statement 28 x 12 14 is to be read, 28 multiplied by 12 is to be divided by 14. Stating the problem as above we see at a glance if the divisor is contained, and how many times, in either of the multipliers. In the foregoing example the divisor, 14, is contained...

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