Simple Interest Calculator

Another Basic program to Calculate the Simple Interest

Source Code : 

// Program Description :

// A Program that calculates the simple interest.

#include<iostream.h>

#include<conio.h>

void main()

{

// cleaning the screen

clrscr();

// declaration of variables

double p;    float r,si; int t;

// the input of values

cout<<"Enter the Principal Amount : ";

cin>>p;

cout<<"Enter the Rate of Interest : ";

cin>>r;

cout<<"Enter the Time : ";

cin>>t;

// calculation of simple                       Principal x Rate x Time

// interest using the formula   SI   =   -----------------------------

//                                                                         100

si=(p*r*t)/100;

// display the interest that is to paid

cout<<endl<<"The Interest to be paid is "<<si;

// waiting for the user to analyse the output

cout<<endl<<endl<<"Press any key to quit...";

getch();

}  //main ends here

Program Flow : 

• The message for entering the principal amount is displayed.
• The user enters the principal amount and presses Enter.
• The message for entering the rate of interest is displayed.
• The user enters the rate of interest and presses Enter.
• The message for entering the time period is displayed.
• The user enters the time period and presses Enter.
• The program calculates the Simple Interest using the values provided.
• The Simple Interest is displayed.
• The program waits for user to Press any key to exit.

Output Screenshots :