Code Box
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/*Program to calculate sum of series
1/(1square)+1/(2 square)+1/(3 square)+.......+1/(n square).
by power function.
where n is the value entered by user
*/
#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int i,n;
float sum;
clrscr();
sum=0;
printf("\nEnter limit number : ");
scanf("%d",&n);
printf("\nSeries=");
printf("\n---------------------\n");
for(i=1;i<=n;i++)
{
printf(" +1/(%d*%d) ",i,i);
sum=sum+pow(i,-2); //power function
}
printf("\n---------------------\n");
printf("\nSum of series= %.3f",sum);
getch();
}
