how do i natural log? or at least log to a custom base?

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how do i natural log? or at least log to a custom base?

I can log base 10 easily, but can i log_x(y) somehow?

Guest Feb 9, 2015

+118609

+5

Best Answer

You can use change of base law

$$log_xy=
\frac{log_{10}y}{log_{10}x}$$

Melody Feb 10, 2015

Melody · Answer 1 · 2015-02-10T07:47:24

You can use change of base law

$$log_xy=
\frac{log_{10}y}{log_{10}x}$$