/*****************************************************************************
*       Calculates the amount of principal after compounded interest is      *
*       earned.                                                              *
*       Inputed: p (principal), n (# of years), c (# of times compounded)    *
*                i (APR % rate)                                              * 
*       Outputed: i, n, a (interest earned in dollars) [see formula below]   *
*       Written: September 17, 2001                                          *
*       By: Ronald Roberts                                                   *
*****************************************************************************/

//Program 5
//17SEP01
#include <iostream.h>
#include <math.h>
int main()
{
/* initiate variables */
double a=0, p=0, i=0, c=0, n=0;

/* prompted user input */
cout<<"Please Enter The Principal:"<<endl;
cin>>p;
cout<<"Please Enter The Number Of Years:"<<endl;
cin>>n;
cout<<"Please Enter The Number Of Times Compounded:"<<endl;
cin>>c;
cout<<"Please Enter The Interest Rate:"<<endl;
cin>>i;
i=i*0.01;

/* equation */
a=p*(pow((1+i/c), n*c));

/* output */ 
cout<<"The Amount After "<<n<<" Years And "<<i*100<<" Percent Interest Is $"<<a<<endl;
return 0;
}

/* OUTPUT
Please Enter The Principal:
2000
Please Enter The Number Of Years:
2
Please Enter The Number Of Times Compounded:
12
Please Enter The Interest Rate As A Decimal:
.08
The Amount After Interest Is $2345.775863
*/