# Practical Arithmetic: Embracing the Science and Applications of Numbers

A. S. Barnes, 1866 - 336 σελίδες

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### Περιεχόμενα

 Definitions i 9 Addition of Simple Numbers 22 Applications in Addition 39 Composite NumbersFactors 47 Division of Simple Numbers 54 Proof of Multiplication 62 PROPERTIES OF NUMBERS 72 Greatest Common Divisor 79
 Duodecimals 198 Simple Proportion 205 Double Rule of Three 213 Percentage 219 Profit and Loss 227 Interest 235 Partial Payments 241 Discount 248

 Properties of Fractions 85 Definition of Decimal Fractions 114 Subtraction of Decimals 122 Applications in the Four Rules 128 Division of United States Currency 138 DENOMINATE NUMBERS 147 Surveyors Measure 153 Liquid Measure 159 Measure of Time 165
 Equation of Payments 257 Customhouse Business 264 Alligation Medial 275 EVOLUTION 281 Extraction of the Cube Root 289 Different Cases 295 MENSURATION 302 To find the contents of a Pyramid 308

### Δημοφιλή αποσπάσματα

Σελίδα 168 - The circumference of every circle is supposed to be divided into 360 equal...
Σελίδα 125 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Σελίδα 283 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 167 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Σελίδα 109 - At f^ of a dollar a yard, how many yards of cloth can be bought for 9 dollars ? 6.
Σελίδα 59 - When any one of the remainders is greater than the divisor, the quotient figure is too small and must be increased. 4.
Σελίδα 94 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 160 - TABLE. 2 pints, pt. make 1 quart, marked qt. 8 quarts ... 1 peck, ... pk. 4 pecks ... 1 bushel, - - bu. 36 bushels 1 chaldron, - - ch.
Σελίδα 126 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Σελίδα 304 - A circle is a portion of a plane bounded by a curved line, all points of which are equally distant from a point within called the centre. The bounding line is called the circumference of the circle.