• Thumbnail for Common logarithm
    the common logarithm (aka "standard logarithm") is the logarithm with base 10. It is also known as the decadic logarithm, the decimal logarithm and the...
    17 KB (2,021 words) - 16:32, 8 July 2025
  • Thumbnail for Logarithm
    base b. The logarithm base 10 is called the decimal or common logarithm and is commonly used in science and engineering. The natural logarithm has the number e...
    98 KB (11,674 words) - 07:27, 12 July 2025
  • Thumbnail for History of logarithms
    common (base 10) logarithms, which were easier to use. Tables of logarithms were published in many forms over four centuries. The idea of logarithms was...
    47 KB (5,447 words) - 11:16, 14 June 2025
  • Thumbnail for Mathematical table
    simplify and drastically speed up computation. Tables of logarithms and trigonometric functions were common in math and science textbooks, and specialized tables...
    13 KB (1,465 words) - 20:02, 22 June 2025
  • i.e., defined with respect to the transmission via common logarithm (log10) or a natural logarithm (ln). The molar absorption coefficient is usually decadic...
    6 KB (758 words) - 15:51, 19 January 2025
  • points at absolute zero by definition. absorbance In chemistry, the common logarithm of the ratio of incident to transmitted radiant power through a material...
    67 KB (6,467 words) - 06:55, 24 April 2025
  • Thumbnail for Natural logarithm of 2
    logarithm of 2 in other bases is obtained with the formula log b ⁡ 2 = ln ⁡ 2 ln ⁡ b . {\displaystyle \log _{b}2={\frac {\ln 2}{\ln b}}.} The common logarithm...
    23 KB (3,125 words) - 15:08, 29 May 2025
  • Binary logarithm Bode plot Henry Briggs Bygrave slide rule Cologarithm Common logarithm Complex logarithm Discrete logarithm Discrete logarithm records...
    3 KB (230 words) - 13:13, 22 February 2025
  • by definition. Absorbance Absorbance or decadic absorbance is the common logarithm of the ratio of incident to transmitted radiant power through a material...
    279 KB (31,753 words) - 08:50, 12 July 2025
  • Thumbnail for Binary logarithm
    binary logarithm of 1 is 0, the binary logarithm of 2 is 1, the binary logarithm of 4 is 2, and the binary logarithm of 32 is 5. The binary logarithm is the...
    42 KB (5,128 words) - 18:59, 4 July 2025
  • Thumbnail for Napierian logarithm
    The term Napierian logarithm or Naperian logarithm, named after John Napier, is often used to mean the natural logarithm. Napier did not introduce this...
    4 KB (530 words) - 18:25, 23 April 2025
  • species, the P and D values are identical. P is usually expressed as a common logarithm, i.e. Log P (also Log Pow or, less frequently, Log pOW): log ⁡ P =...
    12 KB (1,466 words) - 01:58, 29 March 2025
  • be ambiguous where logarithms are involved, because it is also the traditional name of the fractional part of the common logarithm. If the number is negative...
    44 KB (4,856 words) - 13:45, 12 July 2025
  • Thumbnail for E (mathematical constant)
    constant approximately equal to 2.71828 that is the base of the natural logarithm and exponential function. It is sometimes called Euler's number, after...
    54 KB (6,492 words) - 17:18, 13 July 2025
  • Thumbnail for Optical depth
    "absorbance" or "decadic absorbance" is used instead of optical depth: the common logarithm of the ratio of incident to transmitted radiant power through a material...
    11 KB (1,594 words) - 10:20, 21 February 2025
  • earthquakes, it is essential to understand the Richter scale uses common logarithms simply to make the measurements manageable (i.e., a magnitude 3 quake...
    30 KB (3,378 words) - 08:48, 25 May 2025
  • of a number can be defined in terms of the common logarithm, usually as the integer part of the logarithm, obtained by truncation.[contradictory] For...
    16 KB (1,596 words) - 15:27, 14 July 2025
  • Thumbnail for Natural logarithm
    The natural logarithm of a number is its logarithm to the base of the mathematical constant e, which is an irrational and transcendental number approximately...
    34 KB (5,882 words) - 10:22, 27 June 2025
  • changing the original logarithms invented by John Napier into common (base 10) logarithms, which are sometimes known as Briggsian logarithms in his honor. The...
    13 KB (1,448 words) - 00:47, 2 April 2025
  • output port. The net gain in dB is calculated by taking 10 times the common logarithm of the ratio of the output power to the input power. The net gain expressed...
    1 KB (167 words) - 17:25, 13 September 2024
  • Thumbnail for Mirifici Logarithmorum Canonis Descriptio
    Wonderful Canon of Logarithms, 1614) and Mirifici Logarithmorum Canonis Constructio (Construction of the Wonderful Canon of Logarithms, 1619) are two books...
    26 KB (3,373 words) - 02:22, 16 May 2025
  • mechanisms. What these uses of the term tend to have in common is that they refer to a logarithm of the ratio of a quantity of light incident on a sample...
    21 KB (2,919 words) - 18:00, 10 February 2025
  • process reduces the concentration of a contaminant. It is defined as the common logarithm of the ratio of the levels of contamination before and after the process...
    4 KB (510 words) - 18:10, 3 July 2025
  • 3 − √8 ≈ 0.1715729, hence ⁠1/μ⁠ tends to 3 + √8 ≈ 5.828427, whose common logarithm is 0.7655... ≈ ⁠13/17⁠ > ⁠3/4⁠. The same ⁠1/μ⁠ = 3 + √8 (the silver...
    51 KB (8,708 words) - 01:00, 5 April 2025
  • ring, the smallest common cycle length of the ring's addition operation Characteristic (logarithm), integer part of a common logarithm Characteristic function...
    2 KB (260 words) - 21:31, 9 May 2025
  • expressing the ratio of any two powers is therefore ten times the common logarithm of that ratio. This method of designating the gain or loss of power...
    81 KB (9,579 words) - 11:34, 2 July 2025
  • buttons for natural logarithms (ln) and common logarithms (log or log10), but not all calculators have buttons for the logarithm of an arbitrary base...
    45 KB (8,506 words) - 14:09, 7 July 2025
  • Thumbnail for Metallicity
    see metallicities in H II regions below). The abundance ratio is the common logarithm of the ratio of a star's iron abundance compared to that of the Sun...
    42 KB (4,790 words) - 18:15, 8 July 2025
  • common unit of information is the bit or shannon, based on the binary logarithm. Other units include the nat, which is based on the natural logarithm...
    69 KB (8,508 words) - 04:47, 12 July 2025
  • Thumbnail for Exponentiation
    numbers b, in terms of exponential and logarithm function. Specifically, the fact that the natural logarithm ln(x) is the inverse of the exponential...
    107 KB (13,693 words) - 20:30, 5 July 2025