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Topical Terminology > Logarithm



4 Definitions

Logarithm

For Logarithm we have terms and definitions in 4 topics. The topics are Explosives, HIV and AIDs, International Economics and Science.



Logarithm (Explosives)

The power to which a number, called the base, must be raised in order to obtain a given positive number. For example, the logarithm of 100 to the base 10 is 2, because 102 = 100. Common logarithms use 10 as the base; natural, or Napierian, logarithms (for John Napier) use the number e as the base.


Logarithm (HIV and AIDs)

See LOG.


Logarithm (International Economics)

A particular mathematical transformation often used to express economic variables. Advantages: 1) If a variable grows at a constant percentage rate over time, the graph of its logarithm is a straight line. 2) The change in the logarithm of a variable is approximiately its percentage change.


Logarithm (Science)

The exponent that indicates the power to which a number has been raised to produce a given number


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