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

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

`; loanSteps += `Results:
Monthly Payment: ${formatCurrency(monthlyPayment)}
`; if(document.getElementById(“calculationStepsLoan”).style.display === “block”){ document.getElementById(“calculationStepsLoan”).innerHTML = loanSteps; } } function resetHomeLoan(){ document.querySelectorAll(“#calculator 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; }