BA II Plus Financial Calculator
Calculate financial values with ease using the BA II Plus Financial Calculator. This tool is ideal for quick, accurate financial computations such as loan calculations, investment returns, and more.
Loan Amount ($):
Interest Rate (%):
Loan Term (Years):
Payment Frequency:
Monthly
Quarterly
Annually
Payment Result ($):
Calculate Payment
function calculatePayment() {
const loanAmount = parseFloat(document.getElementById(“loanAmount”).value);
const interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100;
const loanTerm = parseFloat(document.getElementById(“loanTerm”).value);
const paymentFrequency = document.getElementById(“paymentFrequency”).value;
if (isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) || loanAmount <= 0 || interestRate <= 0 || loanTerm <= 0) {
alert("Please enter valid values.");
return;
}
let numberOfPayments;
if (paymentFrequency === 'monthly') {
numberOfPayments = loanTerm * 12;
} else if (paymentFrequency === 'quarterly') {
numberOfPayments = loanTerm * 4;
} else {
numberOfPayments = loanTerm;
}
const monthlyInterestRate = interestRate / 12;
const payment = (loanAmount * monthlyInterestRate) / (1 – Math.pow(1 + monthlyInterestRate, -numberOfPayments));
document.getElementById("paymentResult").value = payment.toFixed(2);
}