Golden Ratio = This number comes from the ratio of successive numbers in the Fibonacci sequence. For example, the ratio of 144 to 233 is These numbers can be applied to the proportions of a rectangle, called the Golden rectangle.
Phi (Golden Ratio) Rules - These rules simplify Phi calculation and proportioning during design (and help identify the golden ratio in existing objects). They have a dual scale with normal graduations on the top edge and Phi-scale graduations on the bottom edge.
Phi, the Golden Mean, or Golden Ratio. The most pleasing design to the eye found in all aspects of the universe and nature, from snail shells to flowers to the pattern of stars. Coincidence, or a grand design?
Fibonacci, Golden Ratio, Phi and Divine Proportion. Adjacent numbers quickly approach a constant ratio equal to the "golden ratio" ϕ (approximately Worth noting: ϕxϕ = ϕ + 1 and = ϕ - 1 Also note floral spiral pattern: + = and = ϕ ≅