let loanSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateLoan(){ loanSteps=””; const loanAmount=parseFloat(document.getElementById(“loanAmount”).value); const interestRate=parseFloat(document.getElementById(“interestRate”).value)/100; const loanTenure=parseInt(document.getElementById(“loanTenure”).value); if(isNaN(loanAmount)||isNaN(interestRate)||isNaN(loanTenure)||loanAmount<=0||loanTenure<=0){ alert("Please enter valid positive values for all fields."); return; } const monthlyRate = interestRate / 12; const months = loanTenure * 12; const emi = loanAmount * monthlyRate * Math.pow(1 + monthlyRate, months) / (Math.pow(1 + monthlyRate, months) – 1); const totalPayment = emi * months; document.getElementById("monthlyEMI").value = formatCurrency(emi); document.getElementById("totalPayment").value = formatCurrency(totalPayment); loanSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Interest Rate: ${(interestRate*100).toFixed(1)}%
Loan Tenure: ${loanTenure} years

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

`; loanSteps += `Results:
Monthly EMI: ${formatCurrency(emi)}
Total Payment: ${formatCurrency(totalPayment)}
`; if(document.getElementById(“calculationStepsLoan”).style.display===”block”){ document.getElementById(“calculationStepsLoan”).innerHTML = loanSteps; } } function resetLoan(){ 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;}