uCalculateE

#include <stdio.h>
double s[16]={1,2};
int main(void){
    for(int i(2),j(2);i<10;j*=++i)
        s[i]=s[i-1]+(1.0/j);
    printf("n e\n- -----------\n");
    printf("0 1\n1 2\n2 2.5\n");
    for(int i(3);i<10;++i)
        printf("%d %.9lf\n",i,s[i]);
    return 0;
}