/* TO FIND SUM OF SERIES S=1+2/3!+3/4!+------------ */
#include<stdio.h>
#include<conio.h>
float fact();
float i,f=1,j,n;
void main()
{
clrscr();
float S=0,a;
printf("\nENTER NO. OF TERMS IN SERIES=");
scanf("%f",&n);
for(i=1;i<=n;i++)
{
if(i==1)
{
S=1;
}
else
{
f=fact();
a=i/f;
S=S+a;
}
}
printf("\n\nSUM OF SERIES =%.12lf",S);
getch();
}
float fact()
{f=1;
for(j=1;j<=i+1;j++)
{
f=f*j;
}
}