Logarithm: Difference between revisions
From ACT Wiki
Jump to navigationJump to search
imported>Administrator (CSV import) |
imported>SarahB m (completed defiinition) |
||
Line 8: | Line 8: | ||
More generally with logarithms to the base n: | More generally with logarithms to the base n: | ||
log<sub>n</sub>(x) = the power which | log<sub>n</sub>(x) = the power which, when 'n' is raised to it = x | ||
For example 10<sup>(log<sub>10</sub>(x))</sup> = x | |||
And generally n<sup>(log<sub>n</sub>(x))</sup> = x | |||
2. | |||
The logarithm to the base 10. |
Revision as of 16:45, 19 December 2012
1. The mathematical function which is the inverse of "raising to the power of". Usually abbreviated to ""log"".
For 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
For example 10(log10(x)) = x
And generally n(logn(x)) = x
2. The logarithm to the base 10.