Leonardo Pisano Fibonacci
The life of Leonardo Pisano Fibonacci - Taught The West to Count
Fibonacci Sequence
A sequence where each number is the sum of the two preceding ones.
\[ F_n = F_{n-1} + F_{n-2}, \quad F_0=0, F_1=1 \]
Golden Ratio limit
The ratio of consecutive Fibonacci numbers converges to \(\phi\).
\[ \lim_{n \to \infty} \frac{F_{n+1}}{F_n} = \phi = \frac{1+\sqrt{5}}{2} \]
Sources: https://mathshistory.st-andrews.ac.uk/Biographies/Fibonacci/
