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#include <iostream> #include <cmath> using namespace std; double calculateCompoundInterest(double principal, double rate, double time) { double amount = principal * pow((1 + rate / 100), time); double compoundInterest = amount - principal; return compoundInterest; } int main() { double principalAmount, rateOfInterest, timePeriod; // Input principal amount, rate of interest, and time cout << "Enter the principal amount: "; cin >> principalAmount; cout << "Enter the rate of interest (in percentage): "; cin >> rateOfInterest; cout << "Enter the time period (in years): "; cin >> timePeriod; // Calculate compound interest double interest = calculateCompoundInterest(principalAmount, rateOfInterest, timePeriod); // Display the calculated compound interest cout << "Compound interest after " << timePeriod << " years: " << interest << endl; return 0; } |
Write a program that inputs principal amount, rate of interest and total time. It calculates the compound interest and displays it.
Write a program that inputs principal amount, rate of interest and total time. It calculates the compound interest and displays it.
Output
Enter the principal amount: 3
Enter the rate of interest (in percentage): 4
Enter the time period (in years): 5
Compound interest after 5 years: 0.649959