Program to Calculate simple interest.

 #include <stdio.h>

int main()

{

    float p,r,t,SI;

    printf("enter value of p");

    scanf("%f",&p);

    printf("enter value of r");

    scanf("%f",&r);

    printf("enter value of t");

    scanf("%f",&t);

    SI=p*r*t/100;

    printf("The simple interest is%f",SI);

    return 0;

}