Logarithm

From ACT Wiki
Revision as of 20:20, 15 January 2016 by imported>Doug Williamson (S)
Jump to navigationJump to search

1.

The mathematical function which is the inverse of "raising to the power of".

Usually abbreviated to "log".


Example

Working with logarithms to the base 10:

log10(100) = 2

And 102 = 100


More generally with logarithms to the base n:

logn(x) = the power which, when 'n' is raised to it = x


Example

10(log10(x)) = x

And, more generally:

n(logn(x)) = x


2.

The logarithm to the base 10.


See also