program to calculate the simple interest.

/*Program to calculate the simple interest .principal

amount ,rate ,and time enter by the user.*/

#include <stdio.h>

#include <conio.h>

int main()

{

    float p, r, t, si;

    printf("Enter the principal amount :\n");

    scanf("%f", &p);

    printf("Enter the rate :\n ");

    scanf("%f", &r);

    printf("Enter the duration of time in year:\n");

    scanf("%f", &t);

    si = (p * r * t) / 100;

    printf("Simple Interest :%.2f", si);

    return 0;

}

output

Enter the principal amount : 9000 Enter the rate : 3.5 Enter the duration of time in year: 2 Simple Interest :630.00

****** Thank you ******