Changes

[[Image:log.png|thumb|right|px=200|Logarithm with various bases]]

[[Image:log.png|thumb|right|px=200|Logarithm with various bases. Note that the legend has an error: it confuses the base 2 and base e lines.]]

'''Logarithm''' of a [[number]] is the [[exponential]] power to which you raise the base to obtain the number.

'''Logarithm''' of a [[number]] is the [[exponential]] power to which you raise the base to obtain the number.