fx-ESPLUS Series / fx-ES Series
- Q10
- Logarithm of a number to an arbitrary base
- A10
[log]key : Logarithms in base a as log(a, b). Base 10 is the default setting if you do not input anything for a (common logarithm).
[ln]key : Logarithms in base e (natural logarithm) .
[logab]key also can be used for input, but only while Natural Display is selected.