Calculator Soup
Calculator Soup: Golden Ratio Calculator
Use this calculator to find values that satisfy the golden ratio where (A+B):A = A:B. Enter any ratio term to calculate the missing golden ratio values. The answer also includes two additional, equivalent sets of golden ratio terms based...
Math Open Reference
Math Open Reference: The Golden Rectangle
Gain an understanding of the golden rectangle with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Math Words
Math words.com: Golden Mean
A basic definition for what the Golden Mean (Golden Ratio) is and how to find its reciprocal.
Jim Loy
Jl's Math Page: The Golden Rectangle and the Golden Ratio
This is a personal site from Jim Loy that describes the golden rectangle and the golden ratio. Includes several diagrams and pictures as well as formulas. A good background in math is helpful.