### Euler Project

Lets say you wanted to calculate the sum of every even number in the Fibonacci sequence under 4 million. I believe this bit of code (c#) would do that. Why would you want to? I don't know.

double gr = (1 + Math.Sqrt(5))/2;

double sum = 0;

double fib = 0;

double c = 0;

while (fib < 4000000)

{

sum += fib;

c+=3;

fib = Math.Round((((Math.Pow(gr,c))/Math.Sqrt(5)) + (1/2)), 0);

}

Console.WriteLine("Sum = {0}", sum);

Labels: code

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