## The Prussian Calculator: By which All Business Calculations are Performed by One Rule ; with an Appendix |

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The Prussian Calculator: By Which All Business Calculations Are Performed by ... Isaac A. Clark No preview available - 2017 |

The Prussian Calculator: By Which All Business Calculations Are Performed by ... Isaac A. Clark No preview available - 2017 |

### Common terms and phrases

12 feet 16 days 20 feet acres amount answer applied axle balance base build bush bushels called cancel cause cent Change circle circumference column common contained cords correct corresponds cost cube root cubic decimal denominator diameter dimensions distance divide divisible dollars effect equal EXAMPLES factors feet deep feet high feet long feet wide figure foot fraction gain gallons given gives greatest horses hundred inches inches diameter inferior interest land length lever lowest terms means measures miles minute months Multiply observe piece plane pounds prime principle PROBLEM proportion questions quotient raise Reduce Required rods rule share shillings side solidity square square root subtract Suppose surface tens thick tons twice units wall weight wheel whole worth yards yards of cloth

### Popular passages

Page 40 - The Rule for casting interest, where partial payments have been made, is to apply the payment, in the first place, to the discharge of the interest then due. If the payment exceeds the interest, the surplus goes toward discharging the principal, and the subsequent interest is to be computed on the balance of principal remaining due. If the payment be less than the interest, the surplus of...

Page 136 - There is a fish whose head is 10 inches long, his tail is as long as his head and half the length of his body, and his body is as long as his head and tail. What is the length of the fish...

Page 183 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.

Page 184 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES

Page 29 - If a man travel 240 miles in 12 days, when the days are 12 hours long, in how many days will he travel 720 miles, when the days are 16 hours long? Ans. 27 days.

Page 183 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.

Page 147 - Ans. 10 feet. 16. A wall is 32 feet high, and a ditch before it is 24 feet wide ; what is the length of a ladder that will reach from the top of the wall to the opposite side of the ditch ? Ans.

Page 184 - TABLE. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred Weight, cwt. 20 Hundred Weight

Page 185 - ... yards, 1 rod, pole, or perch, rd. 40 rods, 1 furlong, fur. 8 furlongs, - . 1 mile, m. 3 miles, 1 league, leo.

Page 105 - To reduce a mixed number to an improper fraction. Multiply the whole number by the denominator of the fraction, and to the product add the given numerator.