The elements of arithmetic |
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Contents
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Common terms and phrases
12 days 156 contains 20 shillings 415 shillings 49 yards 68 yards acres alter annex ciphers Arithmetic AUGUSTUS DE MORGAN bushel cent column common denominator contains 13 convenient decimal fraction decimal point difference dividend and divisor division equal exact number example EXERCISES farthings find the least fingers following rule four frac French francs gives the quotient greatest common measure heap hund hundred hundredweight interest last article least common multiple length lower line merator method metic miles multiplicand number of ciphers number of figures number of square number of tens numerator and denominator pence pennyweights pound proceed reckon reduced required to find required to multiply right hand rule for finding Rule of Three SECTION sides sort square inches square miles subtract 13 Suppose it required take 15 ten-thous thing thous thousands tion UNIVERSITY OF LONDON upper line whole number write
Popular passages
Page 66 - 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 numerator; under this sum write the denominator.
Page 88 - 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.
Page 101 - Apothecaries' Weight 20 grains (gr.) = 1 scruple (3) 3 scruples = 1 dram (3) 8 drams = 1 ounce ( 3 ) 12 ounces =; 1 pound (ft...
Page 87 - 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.
Page 45 - II.: if the remainder thus increased be greater than the divisor, find how many times the divisor is contained in it...
Page 69 - To reduce a compound fraction to an equivalent single one. RULE. — Multiply all the numerators together for the numerator, and all the denominators together for the denominator, and they will form the fraction required.
Page 87 - Multiply as in whole numbers, and point off as many figures for decimals, in the product, as there are decimals in the multiplicand and multiplier.
Page 47 - When the divisor is 10, 100, 1000, fyc., cut off as many figures from the right hand of the dividend as there are ciphers in the divisor; the other figures of the dividend will be the quotient, and the figures cut off will be the remainder.
Page 100 - Drams make 1 Ounce 1 oz. 16 Ounces 1 Pound 1 Ib. 28 Pounds 1 Quarter 1 qr. 4 Quarters 1 Hundredweight... 1 cwt. 20 Hundredweights 1 Ton 1 Ton. In general, 1 Stone (1 st.) = 141bs. Avoirdupois, but for butchers* meat or fish, 1 Stone = 8 Ibs.
Bibliographic information
| Title | The elements of arithmetic |
| Author | Augustus De Morgan |
| Published | 1830 |
| Original from | Oxford University |
| Digitized | 30 Mar 2006 |
| Export Citation | BiBTeX EndNote RefMan |