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" FRACTION is a negative number, and is one more than the number of ciphers between the decimal point and the first significant Jigure. "
Elements of Surveying: With the Necessary Tables - Page 15
by Charles Davies - 1830 - 306 pages
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The Practice of Navigation and Nautical Astronomy

Henry Raper - Nautical astronomy - 1908 - 1018 pages
...in the whole number, and out less than i is o. (2.) When the number consists of decimals only, count the number of ciphers between the decimal point and the first significant* figure after it, and subtract this number from 9 ; the remainder is the index. Ex. 1. Find the log....
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College Algebra

Henry Lewis Rietz, Arthur Robert Crathorne - Algebra - 1909 - 290 pages
...following rule : To find tJie characteristic of the common logarithm of a decimal fraction, subtract from 9 the number of ciphers between the decimal point and the first significant figure. From the number so obtained subtract 10. If two numbers contain the same sequence of figures,...
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Plane Trigonometry

Arthur Graham Hall, Fred Goodrich Frink - Plane trigonometry - 1909 - 272 pages
...number. The characteristic of the logarithm of any number less than unity is found by subtracting from 9 the number of ciphers between the decimal point and the first significant digit, then affixing — 10. 25. Mantissa. We have seen that moving the decimal point in the number...
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Smithsonian Mathematical Tables. Hyperbolic Functions

Smithsonian Institution, George Ferdinand Becker, Charles Edwin Van Orstrand - Exponential functions - 1909 - 386 pages
...there are 13 additional figures before the decimal point is reached. The numbers in parentheses denote the number? of ciphers between the decimal point and the first significant figure: for example, in e~°° there are 21 ciphers between the decimal point and the figures 192874985....
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Trigonometry

Arthur Graham Hall, Fred Goodrich Frink - Logarithms - 1909 - 264 pages
...number. The characteristic of the. logarithm of any number less than unity is found by subtracting from 9 the number of ciphers between the decimal point and the first significant diyit, then affixing — 10. 25. Mantissa. We have seen that moving the decimal point in the number...
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Practical Algebra (revised) Prepared for the Use of the Midshipmen at the ...

Stimson Joseph Brown, Paul Capron - Algebra - 1910 - 212 pages
...computations. The characteristic of the logarithm of a decimal fraction is found by subtracting from 9 the number of ciphers between the decimal point and the first significant figure, and writing —10 after the mantissa. It is important to note that the negative logarithm is...
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Machinery's Reference Series ..., Volumes 51-59

1910 - 524 pages
...is, /or numbers wholly decimal, the characteristic is negative, and its numerical value is one more than the number of ciphers between the decimal point and the first decimal which is not a cipher. The numerical value of the characteristic of the logarithm of 0.036,...
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Elementary Algebra

John William Hopkins, Patrick Healy Underwood - Algebra - 1912 - 362 pages
...number, and that the characteristic of a number less than unity is negative, and numerically one more than the number of ciphers between the decimal point and the first significant figure. 203. Fundamental rules of logarithms. Let ax= n, ie x = logan, and ay = m,ie y = ]ogam. Hence,...
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Plane and Sperical Trigonometry (with Five-place Tables): A Text-book for ...

Robert Édouard Moritz - Trigonometry - 1913 - 562 pages
...rule: II. The characteristic of the logarithm of any number less than i is a negative number one more than the number of ciphers between the decimal point and the first significant figure of the fraction. Thus, the fraction 0.00316228 has two ciphers between the decimal point and...
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Constructive Text-book of Practical Mathematics, Volume 2

Horace Wilmer Marsh - Mathematics - 1913 - 460 pages
...the decimal point. (2) Number less than 1. The number of integral figures in a decimal equals minus the number of ciphers between the decimal point and the first significant figure of the decimal. Thus 113.92 has 3 integral figures, .7896 has 0 integral figures, .00845 has...
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