The Golden Ratio: Phi, 1.618 » Phi

Phi for “Neo-Phi-tes:” Phi ( Φ = 1.618033988749895… ), most often pronounced fi like “fly,” is simply an irrational number like pi ( p = 3.14159265358979… ), but one with many...

https://www.goldennumber.net/what-is-phi/

Leonardo Fibonacci discovered the sequence which converges on phi. In the 1202 AD, Leonardo Fibonacci wrote in his book “Liber Abaci” of a simple numerical sequence that is the foundation for...

https://www.goldennumber.net/fibonacci-series/

GoldenNumber.Net explores the appearance of Phi, 1.618 (also known as the Golden Ratio, Golden Mean, Golden Section or Divine Proportion, in mathematics, geometry, life and the universe and s...

https://www.goldennumber.net/golden-section/

“Geometry has two great treasures: one is the Theorem of Pythagoras; the other, the division of a line into extreme and mean ratio. The first we may compare to a measure of gold; the second we ...

https://www.goldennumber.net/phi-quotations/

Just can’t get enough of Phi?  Here’s a couple of ways to get as much as most anyone would ever need. There are millions of places to find phi, but here’s some help in finding phi to a mil...

https://www.goldennumber.net/phi-million-places/

A little riddle:  When does Φ + V = 5? Φ, the Greek symbol for phi, represents the number 1.61803398874989…, which is intrinsically related through math and geometry to the number 5. V is...

https://www.goldennumber.net/phi-phonetics/

Phee, Phi, Pho, Phum™ … or how do you say Φ? The generally accepted pronunciation of phi is fi, like fly. Most people know phi as “fi,” to rhyme with fly, as its pronounced in “Phi B...

https://www.goldennumber.net/pronouncing-phi/

Φ vs. Ø:  Will the real Phi please stand up! In the texts of ancient Greece, the letter phi looked like this: Φ When you see the Greek letter Phi on a fraternity or sorority house, it usually...

https://www.goldennumber.net/phi-symbol/

While the proportion known as the Golden Mean has always existed in mathematics and in the physical universe, it is unknown exactly when it was first discovered and applied by mankind. It is reas...

https://www.goldennumber.net/golden-ratio-history/