What is Fibonacci spiral?

Fibonacci spiral, also known as "golden spiral", is a spiral curve drawn according to Fibonacci sequence. There are many Fibonacci spiral patterns in nature.

Fibonacci sequence, also known as golden section sequence. Mathematically, Fibonacci series is defined recursively: Fibonacci spiral, also known as "golden spiral", is a spiral curve drawn according to Fibonacci series. There are many Fibonacci spiral patterns in nature, which is the most perfect classical golden ratio in nature. Fibonacci spiral, a rectangle with Fibonacci number as its side, and then draw a 90-degree sector on the square. The connected arcs are Fibonacci spiral.

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