Explore Fibonacci Number, Mechanical Design, and more!

There is more going on than what meets our eyes . . . Prevalent in the major works of Leonardo Da Vinci is 'phi' (also known as the Golden Ratio or the Golden Mean), a ratio of 1:1.618. This is found in nature and creation, and the Fibonacci sequence.

The Golden Rectangle, the Golden Triangle, and the Golden Pyramid, all based on the Golden Ratio are all appear prominent in the work of Leonardo Da Vinci. He referred to the Golden Ratio as the "divine proportion".

Here are other ways of expressing the same basic relationship in its connection to the golden ratio and golden spiral

Why credit cards, playing cards, and the original Nokia phones felt so natural to the hand. Ain't fibbin' - it's fibonacci. : D Patterns of Visual Math - Phi

Serie de Fibonacci

By definition, the first two numbers in the Fibonacci sequence are 0 and and each subsequent number is the sum of the previous two.