C Program to find the simple and compound interest

Published on September 12, 2017 by Senthil Kumar

Filed under C

Last modified September 12, 2017

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Problem Statement

You need to find the simple and the compound interest for the given principal , time and rate of interest.

How to find the simple and compound interest in C ?

#include<stdio.h>
#include<math.h>
int main()
{
        int p,t;
        float r,si,amount,ci;
        printf("Please enter principal,time and rate of interest");
        scanf("%d%d%f",&p,&t,&r);
        si=p*t*r/100;
//Simple Interest formula is p*t*r
        printf("\nSimple interest = %.3f",si);
//Compound Interest formula is below
        amount=p*pow((1 +r/100),t);
        ci=amount-p;
        printf("\nCompound interest = %.3f",ci);
}

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