log(x) function graph. Logarithm graph.

*y* = *f *(*x*) = log_{10}(*x*)

- log(x) is defined for positive values of x.
- log(x) is not defined for real non positive values of x.
- log(x)<0 for 0<x<1
- log(x)=0 for x=1
- log(x)>0 for x>1

- ln(x) graph
- Logarithm calculator
- What is logarithm?
- Natural logarithm calculator
- Natural logarithm
- e constant
- Decibel (dB)