/*****************************************************************************
*       Outputs an estimated value of pi                                     *
*       Inputed: N/A                                                         *
*       Outputed: (see above).                                               *
*       Written: November 13, 2001                                           *
*       By: Ronald Roberts                                                   *
*****************************************************************************/
//Ronald Roberts
//Program 43
//13NOV01
#include <iostream.h>
#include <math.h>
#include <iomanip.h>
int main(){
int i;
double numer=2, denom=1, total=2.0/1.0;
cout<<"2/1"<<endl;
for (i=1; i<=10; i++){
denom=denom+2.0;
total=total*(numer/denom);
cout<<numer<<"/"<<denom<<endl;
if (i!=10){
numer=numer+2.0;
total=total*(numer/denom);
cout<<numer<<"/"<<denom<<endl;
}}
cout<<"Pi: "<<total*2<<endl;
return 0;
}
/*
2/1
2/3
4/3
4/5
6/5
6/7
8/7
8/9
10/9
10/11
12/11
12/13
14/13
14/15
16/15
16/17
18/17
18/19
20/19
20/21
Pi: 3.067704
*/