let loanSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateLoanPayoff() { loanSteps = “”; const loanAmount = parseFloat(document.getElementById(“loanAmount”).value); const interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100 / 12; const loanTerm = parseFloat(document.getElementById(“loanTerm”).value); const extraPayment = parseFloat(document.getElementById(“extraPayment”).value); if (isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) || isNaN(extraPayment) || loanAmount <= 0 || loanTerm 0) { remainingLoan -= (monthlyPayment + extraPayment); totalPaid += (monthlyPayment + extraPayment); monthsPaid++; if (remainingLoan < 0) { remainingLoan = 0; } } document.getElementById("newLoanTerm").value = monthsPaid; document.getElementById("totalPayment").value = formatCurrency(totalPaid); loanSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Interest Rate: ${(interestRate * 100 * 12).toFixed(2)}%
Loan Term: ${loanTerm} months
Extra Payment: ${formatCurrency(extraPayment)}

`; loanSteps += `Formulas:
Monthly Payment = Loan Amount × Interest Rate / (1 – (1 + Interest Rate) ^ -Loan Term)

`; loanSteps += `Results:
New Loan Term: ${monthsPaid} months
Total Paid: ${formatCurrency(totalPaid)}
`; if (document.getElementById(“calculationStepsLoan”).style.display === “block”) { document.getElementById(“calculationStepsLoan”).innerHTML = loanSteps; } } function resetLoanCalculator() { document.querySelectorAll(“#loan_calculator_form input”).forEach(el => el.value = “”); loanSteps = “”; document.getElementById(“calculationStepsLoan”).innerHTML = “

Not calculated yet.

“; } function toggleLoanSteps() { const s = document.getElementById(“calculationStepsLoan”); const a = document.getElementById(“toggleArrowLoan”); if (s.style.display === “none” || s.style.display === “”) { s.style.display = “block”; a.style.transform = “rotate(180deg)”; s.innerHTML = loanSteps || “

Not calculated yet.

“; } else { s.style.display = “none”; a.style.transform = “rotate(0deg)”; } } function formatCurrency(n) { return currencySymbol + n.toFixed(2) + ” ” + fixedCurrency; }