Why is [math]\Phi[/math] a golden number?

What is Phi (Φ = 1.618033988749895…) ? Let's first begin with a general understanding of what exactly is Φ (phi). A Phi (Φ = 1.618033988749895…) is an irrational number, which results as a ratio between two quantities(ratio, when a line is divided in a unique way). read more

This number has been discovered and rediscovered many times, which is why it has so many names — the Golden mean, the Golden section, divine proportion, etc. Historically, the number can be seen in the architecture of many ancient creations, like the Great Pyramids and the Parthenon. read more