- Logarithms are approximately related to percentages.
- Logarithms are a way of reducing something very large from one number to another much smaller one.
- When you add two positive numbers, the logarithm is equal to the first number minus the second number multiplied by their product raised to that power.
- Simplistic properties of logarithms include that anything you can do with multiplication, division or addition can be replicated by doing it on the logs of two related numbers.