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

Power Press of E. Shepard, 1846 - Arithmetic - 191 pages
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### Contents

 Section 1 1 Section 2 5 Section 3 8 Section 4 14 Section 5 42 Section 6 49 Section 7 51 Section 8 69
 Section 14 115 Section 15 117 Section 16 123 Section 17 125 Section 18 126 Section 19 133 Section 20 143 Section 21 149

 Section 9 70 Section 10 80 Section 11 83 Section 12 98 Section 13 114
 Section 22 151 Section 23 152 Section 24 156 Section 25 177 Section 26 182

### 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.