The principles of arithmetic |
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Página 2
... taken as the “ number , ” and a dozen ( bottles ) as the “ unit . ” 4. ARITHMETIC is the Science of Numbers . 66 29 NOTATION AND NUMERATION . DECIMAL OR ARABIC SYSTEM . * 5. Every number can be expressed by means of one or more of the ...
... taken as the “ number , ” and a dozen ( bottles ) as the “ unit . ” 4. ARITHMETIC is the Science of Numbers . 66 29 NOTATION AND NUMERATION . DECIMAL OR ARABIC SYSTEM . * 5. Every number can be expressed by means of one or more of the ...
Página 17
... taken together ( that is , the value of the com- bination ) 10 times greater : 456.789 ( a ) 4567-89 By removing every figure two places to the left - 9 into the place occupied by 7 , 8 into the place occupied by 6 , 7 into the place ...
... taken together ( that is , the value of the com- bination ) 10 times greater : 456.789 ( a ) 4567-89 By removing every figure two places to the left - 9 into the place occupied by 7 , 8 into the place occupied by 6 , 7 into the place ...
Página 18
... taken together , 1,000 times less in value : - ( f ) 456-789 * 456789 Without actually removing the figures , we are able to effect the preceding changes by merely altering the position of the decimal point . Thus , leaving the figures ...
... taken together , 1,000 times less in value : - ( f ) 456-789 * 456789 Without actually removing the figures , we are able to effect the preceding changes by merely altering the position of the decimal point . Thus , leaving the figures ...
Página 22
... taken together , 30 — that is , 10 each , whilst the value of the last character ( IV ) is 4 : the value of the com- bination , therefore , is 434 . 25. By placing a bar ( - ) over it , we make a character or combination of characters ...
... taken together , 30 — that is , 10 each , whilst the value of the last character ( IV ) is 4 : the value of the com- bination , therefore , is 434 . 25. By placing a bar ( - ) over it , we make a character or combination of characters ...
Página 24
... ( its appearance as part of a double character not being taken into account ) requires to be employed more than three times in any combination . Thus , instead of— IIII * ( for VIIII ( XXXX ( 4 ) 24 NOTATION AND NUMERATION .
... ( its appearance as part of a double character not being taken into account ) requires to be employed more than three times in any combination . Thus , instead of— IIII * ( for VIIII ( XXXX ( 4 ) 24 NOTATION AND NUMERATION .
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Términos y frases comunes
acres addends amount annex annuity arithmetical mean arithmetical progression Avoirdupois bill called cent centimes ciphers circulating decimal column common difference common ratio convert cost-price cube root decimal fraction decimal point denominator digit divide division divisor dwts employed equal exact number EXAMPLE exceeds expressed falling due farthings fourth term fractional unit gallon geometrical mean geometrical progression given number greatest common measure hundred hundredths inches instalments Irish larger number least common multiple left-hand length less logarithm mantissa MILLIONTHS minuend multiplicand multiply notes number of terms obtain occupies partial dividend pence perches period pounds present value prime factors principal Proportion remainder remove the decimal represent respectively resulting quotient right-hand root-figure senary shillings simple numbers smaller square root subtracting subtrahend tens tenths third term thousandths trial-dividend trial-divisor vulgar fraction whilst whole number write yards ΙΟ
Pasajes populares
Página 56 - To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
Página 45 - 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.
Página 140 - 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.
Página 70 - MEASURE. 144 Square inches (sq. in.) make 1 Square foot, sq. ft. 9 Square feet " 1 Square yard, sq. yd. 30¿ Square yards " 1 Square rod or pole, p. 40 Square rods
Página 70 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Página 64 - If the divisor contains decimal places, we may remove the decimal point from the divisor, provided we carry the decimal point in the dividend as many places to the right as there are decimal places in the divisor.
Página 332 - The book should be in the hands of every student of the history of Ireland.
Página 268 - Multiply the sum of the extremes by half the number of terms, and the product is the sum required.
Página 255 - Seek the greatest cube in the first period, and set its root on the right after the manner of a quotient in division. Subtract the cube of this figure from the first period, and to the remainder bring down the first figure of the next period, and call the number the dividend.
Página 69 - Span: 9 inches or 22.86 cm. Derived from the distance between the end of the thumb and the end of the little finger when both are outstretched.