# Fibonacci function (chart) Calculator

## Calculates a table of the Fibonacci function Fν and draws the chart.

 initial value ν real number [ increment repetition ]
 $\normal Fibonacci\ number\qquad F_\nu\\[10](1)\ F_\nu={\large\frac{1}{\sqrt5}}\left({\large(\frac{1+\sqrt5}{2})}^\nu-{\large(\frac{2}{1+\sqrt5})}^\nu cos(\nu\pi)\right)\\[5]\hspace{180}\nu:real\ number\\$

Fibonacci function (chart)
 [1-1] /1 Disp-Num5103050100200
[1]  2017/09/20 09:45   Male / 50 years old level / An engineer / Very /
Purpose of use
Actually I was not aware that, like Gamma function is ''analytic continuation'' for factorial, the same ''logics'' may be applied to Fibonacci numbers, using identity (-1)^n = cos(n*pi()), which I have known for thirtyfive years, but ...

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