school programming class problem

We have to write a program to calculate pi, and i realy have no idea where to start. any ideas would be great.

Well how do you calculate pi on paper? What do you do?

Learn to use a search engine

Quote:

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We have to write a program to calculate pi, and i realy have no idea where to start. any ideas would be great.

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You can start by defineing Pi.

Code:

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#include<iostream>
using namespace std;

define PI 3.14159

int main()
{
// stuff
return 0;
}

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I hope this helps you get started.
later
cj

i wouldn'y define pi cause you want to calculate pi in the end

1) Pick an algorithm that you want to use to calculate PI.
2) Implement that algorithm

I won't do it for you, but a simple algorithm for Pi calcution is as follows :

Pi = 4 - 4/3 + 4/5 - 4/7 + 4/9 -... you get the idea. Have fun with this Fourier series.

....finally someone posts with something intelligent (WarBaboon). No offense everyone else :)