Search:

yeah nevermind i got it already thank you anyways.... :)

double denom = 3;
double pi;
double x = -1;
int i;



for (i=1 ; i<=30000 ; i++){
pi = 4*(1-((double)1/denom));
x = x*-1;

double denom = 3;
double pi;
double x = -1;
int i;

pi = 4*(1-((double)1/denom));

for (i=1 ; i<=30000 ; i++){
x = x*-1;
denom = (double)x*(denom+2);