Orton's Lightning Calculator: And Accountant's Assistant |
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Common terms and phrases
12 inches 20 feet 20 per cent 60 days acres adding aliquot annex avoirdupois base breadth cancel ciphers circle X circumference completes the product computing interest contain cost cube root cubic feet cubic foot cubic inches decimal places Diameter in Inches dimensions divide the product divisor left Drachms EXAMPLE EXAMPLE.-How feet long find the interest find the number foot fractions frustum girth given number gives the interest grains GUNTER'S CHAIN half hence hight inches thick integers joists last product length in feet measure method mixed number multiplicand multiply any number multiply the principal nearest unit NOTE number of bushels number of days number of months Operation ounce pounds quotient rate per cent reduced rods rule RULE.-Divide side simply say single line solid content square number square root superficial troy pound Troy weight unit figure usury vulgar fractions whole number yards
Popular passages
Page 183 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =± 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month 28, 29...
Page 80 - Thou shalt not lend upon usury to thy brother; usury of money, usury of victuals, usury of any thing that is lent upon usury: unto a stranger thou mayest lend upon usury; but unto thy brother thou shalt not lend upon usury...
Page 137 - Tafce the difference of these sums, then say, As double of the assumed cube, added to the number, is to this difference, so is the assumed root to a correction. This correction, added to or subtracted from the assumed root, as the case may require, will give the oube root very nearly.
Page 144 - RULE. Multiply the length by the breadth, and the product will be the area or superficial content.
Page 132 - ... must a ladder be to reach from the outside of the ditch to the top of the castle ? Ans.
Page 149 - RULE. — From half the sum of the three sides subtract each side severally; multiply these three remainders and the said half sum continually together ; then the square root of the last product will be the. area of the triangle, EXAMPLE.
Page 134 - The number 912673 is a cube ; what is its root? 4ns. 97. be 9, and the root of the unit period must be some number which will give 3 for its unit figure when cubed ; and 7 is the only figure that will answer. The following numbers are cubes ; required their roots 1. What is the cube root of 59319?
Page 64 - ... 15, the number of tons. An easy mode of ascertaining the value of a given number of Ibs. of hay, at a given price per ton of 2000 Ibs. RULE. — Multiply the number of pounds of hay (coal, or anything else which is bought and sold by the ton) by one-half the price per ton, pointing off three figures from the right hand ; the remaining figures will be the price of the hay (or any article by the ton). EXAMPLE. — What will 658 Ibs. of hay cost, @ $7 50 per ton ? SOLUTION.
Page 123 - RULE.* Multiply each payment by the time at which it is due ; then divide the sum of the products by the sum of the payments, and the quotient will be the time required.
Page 34 - For multiplying any two numbers together, each of which involves the same fraction. To the product of the whole numbers, add the product of their sum by either fraction ; after which, add the product of their fractions. EXAMPLES FOR MENTAL OPERATIONS. 1. What will llf Ibs. rice cost at 9f cts. a lb.? Here the sum of 9 and 11 is 20. and three- UB fourths of this sum is 15, so we simply say, 9| 9 times 11 are 99 and 15 are 114, to which we add the product of the fractions (^-). ra 2.