# A New Practical and Theoretical Arithemtic: In Which, in Addition to the Usual Modes of Operation, the Science of Numbers, the Prussian Canceling System, and Other Important Abbreviations, Hold a Prominent Place

E. Morgan & Company, 1845 - 288 páginas

### Comentarios de la gente -Escribir un comentario

No encontramos ningún comentario en los lugares habituales.

### Contenido

 NUMERATION Page 20 Simple Multiplication 32 SECTION II 40 Compound Numbers 49 Compound Addition 60 Compound Multiplication 66 Taxes 69 SECTION III 75
 Simple Interest 151 Interest on Notes Bonds c 159 Discount and Banking 171 Equation of Payments 181 Reduction of Currencies 188 Exchange and PerCentage combined 195 Barter 210 Involution of Powers 226

 Complex Fractions 82 Reduction of Fractions 88 Addition of Fractions 95 Decimal Fractions 102 SECTION IV 116 Application of Proportion 121 Compound Proportion 134 Practice 142
 Application of Square Root 235 Cube Root 241 Application of Cube Root 247 Approximate Cube Roots of Surds 254 Geometrical Progression 262 Positioni 269 Appendix 280

### Pasajes populares

Página 160 - The rule for casting interest when partial payments have been made is to apply the payment in the first place to the discharge of the interest then due.
Página 208 - Multiply each man's stock by the time he continues it in trade ; then say, as the sum of the products is to each particular product, so is the whole gain or loss to each man's share of the gain or loss. EXAMPLES. 1. A and B...
Página 133 - It is evident that the terms of a proportion may undergo any change which will not destroy the equality of the ratios ; or which will leave the product of the means equal to the product of the extremes.
Página 134 - If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time...
Página 51 - AVOIRDUPOIS WEIGHT. 16 drams (dr.) make 1 ounce, marked oz. 16 ounces 1 pound Ib. 28 pounds 1 quarter qr. 4 quarters 1 hundred weight cwt. 20 hundred weight 1 ton T.
Página 136 - For, if we have given ab' = a'b, then, dividing by bb', we obtain Corollary. The terms of a proportion may be written In any order which will make the product of the extremes equal to the product of the means.
Página 55 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...
Página 53 - TABLE. 4 gills (gi.) - make - - 1 pint, marked pt. 2 pints ------- 1 quart, - - - qt. 4 quarts ------ 1 gallon, - - - gal. 31£ gallons ------ 1 barrel, - - - bar. 63 gallons ------ 1 hogshead, - - hhd. 2 hogsheads ----- 1 pipe, - - - P.
Página 79 - OPERATIONS WITH FRACTIONS A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Página 182 - 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.