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

`; mortgageSteps += `Formulas:
Monthly Payment = Loan Amount × Monthly Interest Rate ÷ (1 – (1 + Monthly Interest Rate)^{-Number of Payments})

`; mortgageSteps += `Results:
Estimated Monthly Payment: ${formatCurrency(monthlyPayment)}
`; mortgageSteps += `Tip: The longer the loan term, the lower your monthly payments, but the higher the total interest paid over the life of the loan.`; 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 toggleMortgageSteps(){ const s=document.getElementById(“calculationStepsMortgage”); const a=document.getElementById(“toggleArrowMortgage”); if(s.style.display===”none”||s.style.display===””){ s.style.display=”block”;a.style.transform=”rotate(180deg)”; s.innerHTML=mortgageSteps||”

Not calculated yet.

“; }else{s.style.disp