Code: /*To write a program for exponential function(e^x) upto nth term inputing the values of 'n' & 'x'*/ /*e^x=1+x+x^2/2!+...+x^n/n!*/ #include<iostream.h> #include<conio.h> float factorial(int n) { float f=1; for(int i=1;i<=n;i++) f=f*i; return f; } float series(int n,int x) { float h=1; for(int i=1;i<=n;i++) h=h*x; return h; } int main() { clrscr(); int n,x,i; float s=1; cout<<"Enter the value for 'n' & 'x': "; cin>>n>>x; for(i=1;i<=n;i++) s=s+series(i,x)/factorial(i); cout<<"The sum= "<<s; getch(); return 0; } //this is my first post... please respond...