#include <stdio.h>
#include <math.h>
#include <stdlib.h>
 
double factorial(int n){
        double fac =1;
        int i;
        for(i =1; i <= n; i++){ 
                fac *=n;
        }
        return fac;
}
double exponent(double x, int n){
        double sum = 0, i;
        for(i = 0; i <=n; i++){
                sum +=  (pow(x, i)/ factorial(i));
        } 
        return sum;
}
 
int main(){
        int n = 10;
        double x = 2.2;
        printf("\ti\tApproximantion\n");
        printf("-------------------------------------\n");
        int i;
        for(i =0; i <=n; i++){
               printf("\t%d\t%f\n", i, exponent(x,i));
        }
        printf("Exact Value =\t%12f\n", exp(x));
        return 0;
}//main

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