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7 System.out.println("Area of a equilateral triangle "+ a);
8 }
9 }
Input: You will get the following output:
Program 4 Write a program to calculate the Compound Interest (CI).
CI = P(1+R/100) - P Here P is principal amount.
t
R is the annual interest rate.
t is the time the money is invested or borrowed for.
1 import java.util.*;
2 class compoundinterest
3 {
4 public static void main ()
5 {
6 Scanner sc= new Scanner (System.in);
7 double p,r,t,ci=0.0;
8 System.out.println("Enter the principal amount: ");
9 p=sc.nextDouble();
10 System.out.println("Enter the rate of interest: ");
11 r=sc.nextDouble();
12 System.out.println("Enter time: ");
15 t=sc.nextDouble();
16 ci = (p * (Math.pow((1 + r / 100), t))) - p;
17 System.out.println("Compound Interest: "+ci);
18 }
19 }
148 Touchpad Computer Applications-IX

