This calculator helps you estimate the potential earnings on a Certificate of Deposit (CD) with United Community Bank. CDs offer a fixed interest rate for a set term, providing a predictable way to grow your savings. Simply enter the amount you plan to deposit, the expected annual percentage yield (APY) offered by United Community Bank for your chosen CD term, and the duration of the CD in years.
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function calculateCDYield() {
var depositAmountInput = document.getElementById("depositAmount");
var apyInput = document.getElementById("apy");
var termYearsInput = document.getElementById("termYears");
var resultDiv = document.getElementById("result");
var depositAmount = parseFloat(depositAmountInput.value);
var apy = parseFloat(apyInput.value);
var termYears = parseFloat(termYearsInput.value);
resultDiv.innerHTML = ""; // Clear previous results
if (isNaN(depositAmount) || isNaN(apy) || isNaN(termYears) || depositAmount <= 0 || apy < 0 || termYears <= 0) {
resultDiv.innerHTML = "Please enter valid positive numbers for all fields.";
return;
}
// APY is usually expressed as a percentage, so we divide by 100 for the calculation.
var annualInterestRate = apy / 100;
// Formula for compound interest: A = P (1 + r/n)^(nt)
// Where:
// A = the future value of the investment/loan, including interest
// P = the principal investment amount (the initial deposit)
// r = the annual interest rate (as a decimal)
// n = the number of times that interest is compounded per year. For simplicity with APY, we can assume annual compounding or directly use the APY.
// t = the number of years the money is invested for.
// Using APY directly for simplicity assumes a single compounding period per year.
var totalYield = depositAmount * Math.pow(1 + annualInterestRate, termYears);
var earnings = totalYield – depositAmount;
resultDiv.innerHTML =
"Estimated Earnings: $" + earnings.toFixed(2) + "" +
"Total Value at Maturity: $" + totalYield.toFixed(2) + "";
}
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