/*
    IntCalc.java
    David G. Klick
    September 7, 2007
    CIS 111
 
    In-class demonstration program which uses input,
    processing, and output.
*/

public class IntCalc extends CIS111App {
    public static void main(String[] args) {
        // declare variables
        double prin;
        double interest;
        int years;
        int periods;
        double amt;

        // get principal, interest, years, periods
        prin = getDouble("Enter the principal: ");
        interest = getDouble("Enter the yearly interest: ");
        years = getInt("Enter the number of years: ");
        periods = getInt("Enter the number of periods per year: ");

        // calculate future value
        interest = interest / 100;
        double x = (1 + interest / periods);
        double y = (years * periods);
        amt = prin * Math.pow(x, y);

        // display future value
        println("The future value is " + amt);
    }
}