## The Practical Calculator; a Treatise on Arithmetic ...1854 |

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2-Reduce Account acres added allow amount annum answer Arithmetical Balance Bought called Cash cent cloth Coffee common compound containing cost cube root decimal denominator difference discount ditto divide dividend divisor dwts ells equal equivalent EXAMPLES extremes farthings feet figures fraction gain gallons gals give given grains greater half hand hundred inches interest June least less London loss lowest March marked mean MEASURE method miles mixed number months multiply number of terms ounces paid period persons piece pints places pound principal proportional quantity quarters question quotient Reduce remainder RULE sell share shillings simple fraction sold square root SUBTRACTION Sugar tare third weeks weight whole wine worth yards دو دو وو

### Popular passages

Page 32 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...

Page 171 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.

Page 187 - A person, at the time he was married, was 3 times as old as his wife ; but after they had lived together 15 years, he was only twice as old ; what were their ages on their wedding day ? Ans.

Page 127 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.

Page 186 - ... one grain of wheat for the first square, two for the second, four for the third, and so on, doubling...

Page 120 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.

Page 166 - In like manner, multiply all the multiplicand by the inches and parts of the multiplier, and set the result of each term one place removed to the right hand of those...

Page 177 - In any continued geometrical progression, the product of the two extremes is equal to the product of any two means that are equally distant from them, or equal to the square of the middle term when there is an uneven number of terms.

Page 181 - The first term, ratio, and number of terms given, to find the sum of all the terms. RULE. Find the last term as before, then subtract the...

Page 28 - TROY WEIGHT. 24 Grains (gr.) make 1 Pennyweight, dwt. 20 Pennyweights " 1 Ounce, oz. 12 Ounces "1 Pound, Ib. M APOTHECARIES