Orton & Sadler's Business Calculator and Accountants Assistant: Cyclopædia of the Most Concise and Practical Methods of Business Calculation : Including Many Valuable Labor-saving Tables, Together with Improved Interest Tables Decimal System ...

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W.H. Sadler, 1888 - Business mathematics - 319 pages
 

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Page 37 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.
Page 246 - ... the square root of the last product will be the area of the triangle. EXAMPLE. Suppose I have a triangular fish-pond, whose three sides measure 400, 348, and 312yds; what quantity of ground does it cover?
Page 262 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Page 242 - ... acres and decimals of an acre; if in chains and links, do the same, because links are hundredths of chains, and therefore the same as decimals of them. Or, as 1 chain wide, and 10 chains long, or 10 square chains, or...
Page 103 - NOTE. — Dividing the days by 3 reduces them to the tenth of months. To find the the interest of any sum at 6 per cent. per annum for any number of days. RULE. — Divide the principal by 6 and multiply the quotient by the...
Page 312 - ... In order to remedy this, it has been suggested, that a general Cash office might be established, in which each bank should place a sum in specie, proportionate to its capital, which would be carried to its credit in the books of the office. Each bank would be daily debited or credited in those books for the balance of its account with all the other banks. Each bank might at any time draw for specie on the office for the excess of its credit beyond its quota; and each bank should be obliged to...
Page 200 - ... form of a tub cylinder, or solid square. They are generally built in the ground, and mortised on all sides, except the opening, with brick or stone, and are chiefly permanent in their construction. TO MEASURE ROUND OR CYLINDRICAL CISTERNS.
Page 131 - 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 236 - 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 cube root very nearly. By repeating the operation with the root last found as an assumed root, we may obtain results to any degree . of exactness ; one operation, however, is generally sufficient. EXAMPLES. 1.
Page 217 - To find the number of perches of stone in walls. RULE. — Multiply the length in feet by the height in feet, and that by the thickness in feet, and divide the product by 22, and the quotient will be the number of perches of stone in the wall.

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