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" The characteristic of a number less than 1 is found by subtracting from 9 the number of ciphers between the decimal point and the first significant digit, and writing — 10 after the result. "
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 - 1882 - 952 pages
...in the whole number, and one 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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Elementary text-book of trigonometry

Robert Hamilton Pinkerton - Trigonometry - 1884 - 194 pages
...rule: — The characteristic of the logarithm of a number which is less than unity is negative and greater by unity than the number of ciphers between the decimal point and the first significant figure. Thus the numbers of ciphers between the decimal point and the first significant figure in the...
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Numbers Universalized: An Advanced Algebra, Volume 2

David Martin Sensenig - Algebra - 1890 - 556 pages
...— The characteristic of the logarithm of a pure decimal is negative, and is numerically one greater than the number of ciphers between the decimal point and the first significant figure. 472. To designate that the characteristic is negative and the mantissa positive, it is customary...
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The Elements of Algebra

George W. Lilley - Algebra - 1892 - 420 pages
...m"lx Find the number of digits in the values of: 12. 312X28; 2м; IG100; (4375)8; (396000)10. Find the number of ciphers between the decimal point and the first significant figure in the values of: 13. (.2)*; (.5)100; (.05)5; (.033G)10 ; V8100. 14. Given log x = 2.30103,...
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An Elementary Treatise on Plane Trigonometry

Ernest William Hobson, Charles Minshall Jessop - Plane trigonometry - 1892 - 328 pages
...104 = 2-0170333 find log 2-6. 8. Find the number of digits in the integral part of (Г04)1000, and the number of ciphers between the decimal point and the first significant figure of (-6)100. 9. If log yff =p and log 2 = q, then log 4100 =p + l2q. 10. Given log 59579 =...
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Higher Algebra

George P. Lilley - Algebra - 1894 - 522 pages
...(m')3. 4WV Find the number of digits in the values of: 12. 312X28; 26*; 16100; (4375)8; (396000)10. Find the number of ciphers between the decimal point and the first significant figure in the values of: 13. (.2)*; (.5)100; (.05)5; (.0336)10 ; "V8100. 14. Given log x = 2.30103,...
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Heating and Ventilating Buildings: An Elementary Treatise

Rolla Clinton Carpenter - Heating - 1895 - 442 pages
...and is one less than the number of integral places; for a decimal number it is negative and one more than the number of ciphers between the decimal point and the first significant figure. Thus, to find the logarithm of 254, a number containing 3 integral places, the index is 2,...
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Trigonometry for Beginners

John Bascombe Lock - Logarithms - 1896 - 244 pages
...of a number less than unity is negative, and (when the number is expressed as a decimal) is one more than the number of ciphers between the decimal point and the first significant figure to the right of the decimal point. When the characteristic is negative, as for example in the...
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The Elements of Mechanical Engineering, Volume 5

Electrical engineering - 1897 - 128 pages
...number. For a number wholly decimal the characteristic is negative, and is numerically one greater than the number of ciphers between the decimal point and the first digit of the decimal. II. To find the Logarithm of a Number not having more than four figures. —...
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A Textbook on Mechanical Engineering ...

International Correspondence Schools - Engineering, Mechanical - 1897 - 614 pages
...number. For a number wholly decimal the characteristic is negative, and is numerically one greater than the number of ciphers between the decimal point and the first digit of the decimal. II. To find the Logarithm of a Number not having more than four figures. —...
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