let carLoanSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculateCarLoan(){ carLoanSteps=””; const loanAmount = parseFloat(document.getElementById(“loanAmount”).value); const interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100 / 12; const loanTerm = parseFloat(document.getElementById(“loanTerm”).value) * 12; const extraPayment = parseFloat(document.getElementById(“extraPayment”).value); if(isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) || isNaN(extraPayment) || loanAmount <= 0 || interestRate <= 0 || loanTerm 0) { remainingLoan = remainingLoan – (monthlyPayment + extraPayment); totalInterest += (remainingLoan * interestRate); newTerm–; } document.getElementById(“newTerm”).value = newTerm / 12; document.getElementById(“totalInterest”).value = formatCurrency(totalInterest); carLoanSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Interest Rate: ${(interestRate * 100).toFixed(2)}%
Loan Term: ${loanTerm / 12} years
Extra Payment: ${formatCurrency(extraPayment)}

`; carLoanSteps += `Formulas:
Monthly Payment = Loan Amount × Interest Rate / (1 – (1 + Interest Rate)^(-Loan Term))
Total Interest = Sum of monthly interest paid during the loan period

`; carLoanSteps += `Results:
New Loan Term: ${(newTerm / 12).toFixed(2)} years
Total Interest Paid: ${formatCurrency(totalInterest)}
`; if(document.getElementById(“calculationStepsCarLoan”).style.display===”block”){ document.getElementById(“calculationStepsCarLoan”).innerHTML = carLoanSteps; } } function resetCarLoan(){ document.querySelectorAll(“#calculator input”).forEach(el=>el.value=””); carLoanSteps=””; document.getElementById(“calculationStepsCarLoan”).innerHTML=”

Not calculated yet.

“; } function toggleCarLoanSteps(){ const s=document.getElementById(“calculationStepsCarLoan”); const a=document.getElementById(“toggleArrowCarLoan”); if(s.style.display===”none”||s.style.display===””){ s.style.display=”block”;a.style.transform=”rotate(180deg)”; s.innerHTML=carLoanSteps||”

Not calculated yet.

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