Fibonacci Number

Let's we learn about FIBONACCI Number..... 

Fibonacci Numbers

Description : 

    This flowchart answers the question "How do you draw a flowchart to calculate the first N Fibonacci numbers?" If N is 20, then you get Fibonacci numbers 0 through 19. The Fibonacci series are the numbers:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...

By definition the first two numbers are:

Fibonacci(0) = 0

Fibonacci(1) = 1

The next number is always the sum of the previous two. Fibonacci(n) = Fibonacci(n-1) + Fibonacci(n-2)

Fibonacci(2) = 0 + 1 = 1

Fibonacci(3) = 1 + 1 = 2

Fibonacci(4) = 1 + 2 = 3

Fibonacci(5) = 2 + 3 = 5

Fibonacci(6) = 3 + 5 = 8

Fibonacci(7) = 5 + 8 = 13

Fibonacci(8) = 8 + 13 = 21

Fibonacci(9) = 13 + 21 = 34

Fibonacci(10) = 21 + 34 = 55

Fibonacci(11) = 34 + 55 = 89

Fibonacci(12) = 55 + 89 = 144

Fibonacci(13) = 89 + 144 = 233

Fibonacci(14) = 144 + 233 = 377

...

The output statements in the flowchart show the value of i and the Fibonacci number fib. You would print or display one line and then go to the next as shown below.

Fibonacci(0) = 0

Fibonacci(1) = 1

Fibonacci(2) = 1

...

The flowchart above goes through each number in the series. You could use it to find an arbitrary number. However, there might be a faster way. If you just wanted the Fibonacci Number for some index i, Fibonacci(i), do you have to go through the series starting with 0, or can you think of a direct solution? Given the input number i, draw a flowchart that quickly finds the output Fibonacci(i).

 that is an introduce about Fibonacci Number... hope we can learn and learn,, and try.. and we'll be get an understanding of Al-Pro,, ^~^

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