
Definition of Cologarithm
1. Noun. (mathematics) The logarithm of the reciprocal of a number (equal to the negative of the original logarithm) ¹
¹ Source: wiktionary.com
Definition of Cologarithm
1. [n S]
Cologarithm Pictures
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Lexicographical Neighbors of Cologarithm
Literary usage of Cologarithm
Below you will find example usage of this term as found in modern and/or classical literature:
1. Numbers Universalized: An Advanced Algebra by David Martin Sensenig (1890)
"The cologarithm of a number is the logarithm of the reciprocal of the number.
Thus, colog. N = log. •==. 478. Log. ^ = log. 1  log. Jf= log. ..."
2. Elementary Algebra by George Albert Wentworth (1906)
"Find the cologarithm corresponding to the logarithm 0.6990. The required cologarithm
is 9.3010  10. 104. ..."
3. Plane Trigonometry and Tables by George Wentworth, David Eugene Smith (1914)
"cologarithm. The logarithm of the reciprocal of a number is called the ...
Use of the cologarithm. Since to divide by a number is the same as to multiply by ..."
4. School Algebra by George Wentworth, David Eugene Smith (1913)
"cologarithm. The logarithm of the reciprocal of a number is called the ...
Use of the cologarithm. Since to divide by a number is the same ..."
5. Plane and Spherical Trigonometry by George Albert Wentworth (1891)
"In order to avoid a negative mantissa in the cologarithm, ... Hence, the cologarithm
of a number is found by subtracting the logarithm of the number from 10 ..."
6. Elements of Algebra by George Albert Wentworth (1886)
"IX In order to avoid a negative mantissa in the cologarithm, ... Hence, the
cologarithm of a number is found by subtracting the logarithm of the number from ..."
7. Fiveplace Logarithmic and Trigonometric Tables by George Albert Wentworth, George Anthony Hill (1903)
"IX In order to avoid a negative mantissa in the cologarithm, ... Hence, the
cologarithm of a number is found by subtracting the logarithm of the number from ..."
8. Plane and Spherical Trigonometry: And Fourplace Tables of Logarithms by William Anthony Granville (1909)
"The logarithm of the reciprocal of a number is called its cologarithm (abbreviated
colog). ... In order to avoid a negative mantissa in the cologarithm, ..."