Topic Progress:

Here’s a quick reference chart that include some of the more important Fibonacci Relationships:
Ratio: 0.236, 0.382, 0.5, 0.618, 1.0, 1.236, 1.382, 1.618 and 2.618
Some other relationship, important to Gann in particular, include:
Ratio: 1.5, 2.0, 2.5 and 3.0