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" A logarithm is the exponent of the power to which a fixed number, called the base, must be raised to produce a given number. "
Plane Trigonometry - Page 42
by Elmer Adelbert Lyman, Edwin Charles Goddard - 1899 - 91 pages
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Elements of Geometry, and Plane and Spherical Trigonometry: With Numerous ...

Horatio Nelson Robinson - Geometry - 1860 - 468 pages
...acquainted with their nature and properties. LOGARITHMS. Logarithms are the exponents of the powers to which a fixed number, called the base, must be raised, to produce other numbers. The exponent of a number is also a number expressing how many times the first number...
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Surveying and Navigation, with a Preliminary Treatise on Trigonometry and ...

Aaron Schuyler - Measurement - 1864 - 506 pages
............ 405 INTRODUCTION i V. LOGARITHMS. 1. Definition. A logarithm of a number is the exponent denoting the power to which a fixed number, called the base, must be raised in order to produce the given number. Thus, in the equation, b- = n, b is the base of the system, n...
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Plane and Spherical Trigonometry and Mensuration

Aaron Schuyler - Measurement - 1875 - 284 pages
...TABLE8. 185 INTRODUCTION. LOGARITHMS. 1. Definition. A logarithm of a number is the exponent denoting the power to which a fixed number, called the base, must be raised in order to produce the given number. Thus, in the equation, b'=n, b is the base of the system, n is...
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Logarithms

Henry Nathan Wheeler - Logarithms - 1882 - 60 pages
...VI., §§ 74, 78-82, 86, 89. LOGARITHMS. § 1. The logarithm of a number N is the exponent denoting the power to which a fixed number called the base must be raised in order to produce N. Thus, if N= V, then is logb N= x ; or, in words, when the base is b the logarithm...
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A School Algebra: Designed for Use in High Schools and Academies

Emerson Elbridge White - Algebra - 1896 - 418 pages
...arithmetical progression. Show that abc CHAPTER XX. LOGARITHMS. 580. The logarithm of a number is the exponent of the power to which a fixed number, called the base, must be raised in order to produce the given number. Thus, since 34 = 81, 4 is the logarithm of 81 to the base 3 ;...
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Plane and Spherical Trigonometry

Elmer Adelbert Lyman, Edwin Charles Goddard - Trigonometry - 1900 - 246 pages
...characteristic only. The student must remember that the mantissa is always positive. Log 0.0022567 is never written - 3 +.35347, but 3.35347, the minus...must be raised to produce the given number. Thus, ax = b, and x = Ioga6 (where logaJ is read logarithm of b to the base a) are equivalent expressions. The...
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Plane and Spherical Trigonometry

Elmer Adelbert Lyman, Edwin Charles Goddard - Trigonometry - 1900 - 228 pages
...above to indicate that the characteristic alone is negative. In computations negative characteristies are avoided by adding and subtracting 10, as has been...index of the power to which a fixed number, called the laae, must be raised to produce the given number. Thus, a" = 6, and a. = loga6 (where loga6 is read...
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Coal and Metal Miners' Pocketbook of Principles, Rules, Formulas, and Tables ...

International Correspondence Schools - Mining engineering - 1900 - 728 pages
...and division, by substituting in their stead addition ami subtraction. A logarithm i> the exponent of the power to which a fixed number, called the base, must br raised to produce a given number. The base of the common system is 10, and, as a logarithm is the...
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Academic Algebra

William James Milne - Algebra - 1901 - 462 pages
...a power of 10; 10,000 as a power of 10; 10 as a power of 10; 1 as a power of 10. 451. The exponent of the power to which a fixed number called the Base must be raised in order to produce a given number is called the Logarithm of the given number. When 10 is the base,...
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Advanced Algebra for Colleges and Schools

William James Milne - Algebra - 1902 - 620 pages
...power of 10 ; 10,000 as a power of 10 ; 10 as a power of 10 ; 1 as a power of 10. 459. The exponent of the power to which a fixed number called the Base must be raised in order to produce a given number is culled the Logarithm of the given number. When 10 is the base,...
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