Logarithmic

While learning about one of the argus tool rahisto, I came across logarithmic and don't have much idea about it, quickly googling grants me these two links that are pretty helpful -

http://www.chem.tamu.edu/class/brown/chem107/graphs/reading/logloglog.html

http://www.purplemath.com/modules/logs.htm

http://en.wikipedia.org/wiki/Logarithm

They help me to understand logarithmic better.