Useful Math Links.

Radioactive Decay [local]

Introduction to exponential growth and decay [local]

Exponential decay using logarithms [local]

http://www.physics.uoguelph.ca/tutorials/exp/decay.html [local]

http://teacher.nsrl.rochester.edu/phy_labs/AppendixD/AppendixD.html [local]

http://archives.math.utk.edu/visual.calculus/2/exp.2/

logarithms http://www.sosmath.com/algebra/logs/log4/log4.html

http://www.math.wpi.edu/Course_Materials/MA1022C97/Labs/lab2_part1/node5.html [local]

Graphing with Logarithmic Paper [local]

Logarithmic functions explained [local].

Semi-logarithmic graph [local]