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B.TECH I YEAR • I SEMESTER • R25

Programming for Problem Solving - Lab Manual

C Programming Laboratory • Program Solution

📘 R25 Regulation 🎓 I Year 📚 I Semester 💻 C Programming 🧪 Lab Program
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Write the program for the simple, compound interest.

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Write the program for the simple, compound interest.

Algorithm 

start
	step1: Read p, rate, time
	step2: SI := (p * rate * time)/100
	step3: CI := p * (1+(rate/100))time - p
	step4: Print SI, CI
stop

Flowchart 
flowchart for simple, compound interest in c

C Programming 
/* calculate the simple interest and compound interest by reading principal amount, rate of interest and time

The formula to find simple interest is simpleInterest = (principal * rate * time) / 100.

The formula to find compound interest is compoundInterest = principal * pow(1 + (rate / 100), time) - principal. */

#include <stdio.h>
#include <math.h>

int main() {
    float P, rate, time, SI, CI;

    // Input P amount, rate of interest and time
    printf("Enter P,R,T: ");
    scanf("%f%f%f", &P,&rate,&time);
    

    // Calculate simple interest
    SI = (P * rate * time) / 100;

    // Calculate compound interest
    CI = P * pow(1 + (rate / 100), time) - P;

    // Display results
    printf("SI= %f\n", SI);
    printf("CI= %f\n", CI);

    return 0;
}

OUTPUT
Enter P,R,T: 1000 5 10
SI= 500.000000
CI= 628.893860

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Write the program for the simple, compound interest.
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