let mortgageSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateMortgage(){ mortgageSteps=””; const loanAmount = parseFloat(document.getElementById(“loanAmount”).value); const interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100 / 12; const loanTerm = parseInt(document.getElementById(“loanTerm”).value) * 12; if(isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) || loanAmount <= 0 || interestRate <= 0 || loanTerm <= 0){ alert("Please enter valid positive values for all fields."); return; } const monthlyPayment = (loanAmount * interestRate) / (1 – Math.pow(1 + interestRate, -loanTerm)); document.getElementById("monthlyPayment").value = formatCurrency(monthlyPayment); mortgageSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Interest Rate: ${(interestRate * 100 * 12).toFixed(2)}%
Loan Term: ${loanTerm / 12} Years

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

`; mortgageSteps += `Results:
Estimated Monthly Payment: ${formatCurrency(monthlyPayment)}
`; if(document.getElementById(“calculationStepsMortgage”).style.display===”block”){ document.getElementById(“calculationStepsMortgage”).innerHTML = mortgageSteps; } } function resetMortgage(){ document.querySelectorAll(“#calculator input”).forEach(el => el.value = “”); mortgageSteps=””; document.getElementById(“calculationStepsMortgage”).innerHTML = “

Not calculated yet.

“; } function toggleMortgage