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If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
New School Algebra - Page 372
by George Albert Wentworth - 1898 - 407 pages

Five-place Logarithmic and Trigonometric Tables

George Albert Wentworth, George Anthony Hill - Logarithms - 1895 - 104 pages
...characteristic of the logarithm one unit less than the number of figures on the left of the decimal point. If the number is less than 1, make the characteristic of the loganthm negative, and one unit more than the number of zeros between the decimal point and the first...

Five-place Logarithmic and Trigonometric Tables

George Albert Wentworth - Logarithms - 1895 - 100 pages
...logarithm one unit less than the number of figures on the left of the decimal point. If the number is /css than 1 , make the characteristic of the logarithm negative, and one unit mure than the number of zeros between the decimal point and the first significant figure of the given...

Numerical Problems in Plane Geometry: With Metric and Logarithmic Tables

Joe Garner Estill - 1896 - 186 pages
...of the decimal point. II. If the number is less than 1, the characteristic is negative, and is one more than the number of zeros between the decimal point and the first significant figure of the decimal. Thus, the characteristic of log 378.37 is 2 ; " " " " .0917 " — 2; " " " " 5.391 " 0; "...

A Text-book of Plane Surveying

William Galt Raymond - Logarithms - 1896 - 524 pages
...left of the decimal point ; when the number is less than i, the characteristic is negative, and is one more than the number of zeros between the decimal point and the first significant figure. 9.30103 — 10. The — 10 is often omitted for brevity when there is no danger of confusion, but its...

Logarithmic and Trigonometric Tables: Five Decimal Places

Charles Winthrop Crockett - Logarithms - 1896 - 132 pages
...left of the decimal point ; when the number is less than i, the characteristic is negative, and is one more than the number of zeros between the decimal point and the first significant figure. 11. To avoid the use of negative characteristics we add io to the characteristic and write — io after...

Plane Trigonometry, Surveying and Tables

George Albert Wentworth - Trigonometry - 1896 - 344 pages
...number one more than the number of units in the characteristic. If the characteristic is negative, make the number of zeros between the decimal point and the first significant figure of the corresponding number one less than the number of units in the characteristic. Thus, the characteristic...

A Text-book of Plane Surveying

William Galt Raymond - Logarithms - 1896 - 518 pages
...left of the decimal point ; when the number is less than 1, the characteristic is negative, and is one more than the number of zeros between the decimal point and the first significant f1gure. 11. To avoid the use of negative characteristics we add 10 to the characteristic and write...

Plane Geometry

George D. Pettee - Geometry, Modern - 1896 - 272 pages
...of the decimal point are the same. 3. The characteristic of the logarithm of a decimal is 9, minus the number of zeros between the decimal point and the first significant figure ; and — 10 must follow the mantissa. For example: log 69745 = 4.84351 log 697.45 = 2.84351 log 6.9745...