/*
**                      determine payment if balance and rate and term is known


*amount = starting balance
*balance = remaining balance
*rate = interest rate per period
*rate1 = interest rate per year
*payment = monthly payment
*principal = payment to principle
*interest = payment of interest per period
*number = number of payments
  
*   payment=Balance/((1-(1+rate)^-Number)/rate)
*/

        float amount;   /*  declare external veriables   */
        float rate;
        float payment;
        float rate1;

#include "math.h"       /*    include declaration for pow()     */
        pymt()  
{
        float number;   

        printf("How many payments ? ");
        scanf("%f",&number);


        payment = amount / ((1 - pow((1. + rate),-number))/rate);


}
