function calculateCompoundInterest(principal, rate, years) {
// Validate input: all values must be non-negative
if (principal < 0 || rate < 0 || years < 0) {
console.error("Error: Principal, rate, and years must be non-negative values.");
return -1;
}
// Calculate total amount using the compound interest formula
const amount = principal * Math.pow(1 + rate / 100, years);
// Return compound interest (total amount - principal)
return amount - principal;
}
const principal = 100000;
const rate = 3.5;
const years = 5;
const compoundInterest = calculateCompoundInterest(principal, rate, years);
if (compoundInterest >= 0) {
console.log("Principal Amount: " + principal.toFixed(2));
console.log("Annual Interest Rate: " + rate.toFixed(2) + "%");
console.log("Years: " + years.toFixed(2));
console.log("Compound Interest: " + compoundInterest.toFixed(2));
console.log("Total Amount: " + (principal + compoundInterest).toFixed(2));
}
/*
run:
Principal Amount: 100000.00
Annual Interest Rate: 3.50%
Years: 5.00
Compound Interest: 18768.63
Total Amount: 118768.63
*/