Changes

[[Image:log.png|thumb|right|px=200|red: natural logarithm]]

[[Image:log.png|thumb|right|px=200|red: natural logarithm. Note that the legend is in error in that it confuses the base 2 and base e lines.]]

The '''natural logarithm''', <math>\ln(x)</math> is the inverse of the function <math>e^x</math>. In other words, if <math>y = e^x</math>, we define <math>\ln(y) = x</math>.

The '''natural logarithm''', <math>\ln(x)</math> is the inverse of the function <math>e^x</math>. In other words, if <math>y = e^x</math>, we define <math>\ln(y) = x</math>.