public class Hello{
public static void main(String[] args){
double pi = 0;
for(double i = 1.0; i<= 999999999;i=i+2){
pi = 1/(2*i-1)-1/(2*i+1)+pi;
}
System.out.println(4*pi)
Sign in to make a reply
耗子兽君
public class Hello{
public static void main(String[] args){
double pi = 0;
for(double i = 1.0; i<= 999999999;i=i+2){
pi = 1/(2*i-1)-1/(2*i+1)+pi;
}
System.out.println(4*pi)
}
}