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# Logarithm

[law-guh-rith-uh m, -rith-, log-uh-] /ˈlɔ gəˌrɪð əm, -ˌrɪθ-, ˈlɒg ə-/

noun, Mathematics.
1.
the exponent of the power to which a base number must be raised to equal a given number; log:
2 is the logarithm of 100 to the base 10 (2 = log10 100).
/ˈlɒɡəˌrɪðəm/
noun
1.
the exponent indicating the power to which a fixed number, the base, must be raised to obtain a given number or variable. It is used esp to simplify multiplication and division: if ax = M, then the logarithm of M to the base a (written logaM) is x Often shortened to log See also common logarithm, natural logarithm
n.

1610s, Modern Latin logarithmus, coined by Scottish mathematician John Napier (1550-1617), literally “ratio-number,” from Greek logos “proportion, ratio, word” (see logos) + arithmos “number” (see arithmetic).
logarithm
(lô’gə-rĭ’əm)
The power to which a base must be raised to produce a given number. For example, if the base is 10, then the logarithm of 1,000 (written log 1,000 or log10 1,000) is 3 because 103 = 1,000. See more at common logarithm, natural logarithm.

Tagged:

• Logarithmic

[law-guh-rith -mik, -rith-, log-uh-] /ˌlɔ gəˈrɪð mɪk, -ˈrɪθ-, ˌlɒg ə-/ adjective, Mathematics. 1. pertaining to a logarithm or logarithms. 2. (of an equation) having a logarithm as one or more of its unknowns. 3. /ˌlɒɡəˈrɪðmɪk/ adjective 1. of, relating to, using, or containing logarithms of a number or variable 2. consisting of, relating to, or […]

• Logarithmic-function

noun, Mathematics. 1. a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms. noun 1.

• Logarithmus dualis

mathematics (ld) Latin for logarithm base two. More commonly written as “log” with a subscript “2”. Roughly the number of bits required to represent an integer. (1999-03-19)

• Logbook

[lawg-boo k, log-] /ˈlɔgˌbʊk, ˈlɒg-/ noun 1. a in which details of a trip made by a ship or aircraft are recorded; . /ˈlɒɡˌbʊk/ noun 1. a book containing the official record of trips made by a ship or aircraft; log 2. (Brit) (formerly) a document listing the registration, manufacture, ownership and previous owners, etc, […]

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