let secondMortgageSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateSecondMortgage(){ secondMortgageSteps=””; const loanAmount = parseFloat(document.getElementById(“loanAmount”).value); const loanTerm = parseFloat(document.getElementById(“loanTerm”).value); const creditScore = parseFloat(document.getElementById(“creditScore”).value); if(isNaN(loanAmount) || isNaN(loanTerm) || isNaN(creditScore) || loanAmount <= 0 || loanTerm <= 0 || creditScore = 750) { interestRate = 0.04; } else if (creditScore >= 700) { interestRate = 0.045; } else if (creditScore >= 650) { interestRate = 0.05; } else { interestRate = 0.055; } const monthlyInterestRate = interestRate / 12; const numberOfPayments = loanTerm * 12; const monthlyPayment = (loanAmount * monthlyInterestRate) / (1 – Math.pow(1 + monthlyInterestRate, -numberOfPayments)); document.getElementById(“interestRate”).value = (interestRate * 100).toFixed(2) + “%”; document.getElementById(“monthlyPayment”).value = formatCurrency(monthlyPayment); secondMortgageSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Loan Term: ${loanTerm} Years
Credit Score: ${creditScore}

`; secondMortgageSteps += `Formulas:
Interest Rate: Based on Credit Score
Monthly Payment = Loan Amount × (Monthly Interest Rate) / (1 – (1 + Monthly Interest Rate)^(-Number of Payments))

`; secondMortgageSteps += `Results:
Estimated Interest Rate: ${(interestRate * 100).toFixed(2)}%
Monthly Payment: ${formatCurrency(monthlyPayment)}
`; if(document.getElementById(“calculationStepsSecondMortgage”).style.display===”block”){ document.getElementById(“calculationStepsSecondMortgage”).innerHTML = secondMortgageSteps; } } function resetSecondMortgage(){ document.querySelectorAll(“#calculator input”).forEach(el => el.value = “”); secondMortgageSteps = “”; document.getElementById(“calculationStepsSecondMortgage”).innerHTML = “

Not calculated yet.

“; } function toggleSecondMortgageSteps(){ const s = document.getElementById(“calculationStepsSecondMortgage”); const a = document.getElementById(“toggleArrowSecondMortgage”); if(s.style.display === “none” || s.style.display === “”){ s.style.display = “block”; a.style.transform = “rotate(180deg)”; s.innerHTML = secondMortgageSteps || “

Not calculated yet.

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