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" The index of the logarithm of a number greater than unity, is one less than the number of digits in the integral part... "
Mrs. Janet Taylor's Hand-book [&c.]. - Página 16
por Janet Taylor - 1865
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Manual of plane trigonometry, by J.A. Galbraith and S. Haughton

Joseph Allen Galbraith - 1852 - 84 páginas
...characteristic, is not entered in the tables, but is found by the following rule : The characteristic of the logarithm of a number greater than unity is one less than the number of the digits of its integer part. Thus, the characteristic of the logarithm of 849 is 2 ; for as this...
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Hand-book to the Local marine board examination [by J. Taylor].

Janet Taylor - 1853 - 124 páginas
...logarithm of any number above 100 is all that is registered in the tables, and the index has therefore to be supplied. These observations being understood...integral part, and when the number is less than unity, the index is properly negative, but the arithmetical complement of it is sometimes used. Exampks, No....
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Manual of plane trigonometry, by J.A. Galbraith and S. Haughton

Joseph Allen Galbraith - 1854 - 146 páginas
...integer part, which ie called the characteristic, is not entered, but may be found by The characteristic of the logarithm of a number greater than unity is one less than tf,e number of the digits of its integer part. Thus, the characteristic of the logarithm of 849 is...
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Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten ...

Elias Loomis - 1859 - 372 páginas
...integral part is called the characteristic, and may be known from the following RULE. The characteristic of the logarithm of a number greater than unity, is one less than the number of integral figures in the given number. Thus the logarithm of 297 is 2 plus a fraction ; that is, the...
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Hand-book to the Local marine board examination [by J. Taylor].

Janet Taylor - 1860 - 164 páginas
...compose the integral part, those on the right (476) are decimals. Again take any logarithm as 3.l 24830, the first figure (3) is called the index, and the...significant figure after the decimal point, and subtract * See page 280 and five following pages, of the New Edition of Mrs. Janet Taylor's Epitome of Navigation....
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Manual of mathematical tables, by J.A. Galbraith and S. Haughton

Joseph Allen Galbraith - 1860 - 290 páginas
...integer part, which id called the Characteristic, is not entered, but may be found by The characteristic of the logarithm of a number greater than unity is one less than the number of the digits of its integer part, Thus, the characteristic of the logarithm of 849 is * ; for as this...
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Manual of Mathematicall Tables

Joseph Allen Galbraith, Samuel Haughton - 1860 - 310 páginas
...integer part, which is called the Characteristic, is not entered, but may be found by The characteristic of the logarithm of a number greater than unity is one less than the number of the digits of its integer part. Thus, the characteristic of the logarithm of 849 is 2 ; for as this...
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A guide book to the Local marine board examination. The ordinary examination ...

Thomas Liddell Ainsley - 1864 - 360 páginas
...registered in the tables, the characteristic being found as follows : — BULK I. The characteristic of the logarithm of a number greater than unity, is one less than the number of the digits of its integer part. Thus : the characteristic of the logarithm of 849 is 2 ; for the number...
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Spiral Slide Rule: Equivalent to a Straight Slide Rule 83 Feet 4 Inches Long ...

George Fuller - 1878 - 26 páginas
...These together give the mantissa of the logarithm of the number. To this the indtx has to be added. The index of the logarithm of a number greater than unity is one less than the number of figures in the integral part of that number. Thus the index of 5432 is 3, of 543-2 is 2, of 54-32 is...
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Metrical Geometry: An Elementary Treatise on Mensuration

George Bruce Halsted - 1881 - 258 páginas
...same digits in the same order have the same mantissa. 143, The characteristic of the log of a number is one less than the number of digits in the integral part. 144, When the number has no integral figures, the characteristic of its log is negative, and is one...
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