# The New Federal Calculator: Or, Scholar's Assistant: Containing the Most Concise and Accurate Rules for Performing the Operations in Common Arithmetic; Together with Numerous Examples Under Each of the Rules, Varied So as to Make Them Conformable to Almost Every Kind of Business ...

J. Grigg, 1830 - Arithmetic - 180 pages
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### Contents

 Numeration 9 Division 24 Compound Addition 37 Compound Subtraction 54 Proportion or the Single Rule of Three 72 Tare and Tret 91 Insurance Commission and Brokage 105
 Exchange 118 Double Position 142 Evolution or the Extracting of Roots 148 Arithmetical Progression 157 Annuities at Compound Interest 166 Duodecimals 172 More as 6+28 180

### Popular passages

Page 126 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Page 2 - District, has deposited in this office the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " THE CHILD'S BOTANY," In conformity to the act of the Congress of the United States, entitled, " An act for the encouragement of learning by securing the copies of maps, charts, and books to the authors and proprietors of such copies, during the times therein mentioned...
Page 73 - ... multiply the second and third terms together, and divide the product by the first for the answer, which will always be of the same denomination as ftie third term.
Page 125 - 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 36 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl.) 2 barrels...
Page 157 - Multiply the sum of the two extremes by the number of terms, and half the product will be the sum of all the terms.
Page 132 - Reduce compound fractions to simple ones, and mixt numbers to improper fractions ; then multiply the numerators together for a new numerator, and the denominators for. a new denominator.
Page 178 - What difference is there between the interest of 500Z. at 5 per cent, for 12 years, and the discount of the same sum at the same rate, and for the same time ? Ans.
Page 24 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Page 143 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.