function calculatePersonalLoan(){ const loanAmount = parseFloat(document.getElementById(“loanAmount”).value); const interestRate = parseFloat(document.getElementById(“interestRate”).value) / 100; const loanTerm = parseFloat(document.getElementById(“loanTerm”).value) * 12; // convert to months if (isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) || loanAmount <= 0 || interestRate <= 0 || loanTerm <= 0) { alert("Please enter valid values for all fields."); return; } const monthlyInterestRate = interestRate / 12; const monthlyPayment = (loanAmount * monthlyInterestRate) / (1 – Math.pow(1 + monthlyInterestRate, -loanTerm)); const totalInterest = (monthlyPayment * loanTerm) – loanAmount; document.getElementById("monthlyPayment").value = monthlyPayment.toFixed(2); document.getElementById("totalInterest").value = totalInterest.toFixed(2); const calculationSteps = ` Inputs:
Loan Amount: $${loanAmount.toFixed(2)}
Interest Rate: ${interestRate * 100}%
Loan Term: ${loanTerm / 12} years

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

Results:
Monthly Payment: $${monthlyPayment.toFixed(2)}
Total Interest: $${totalInterest.toFixed(2)}
`; document.getElementById(“calculationSteps”).innerHTML = calculationSteps; } function resetPersonalLoan(){ document.querySelectorAll(“#personalLoanCalculatorForm input”).forEach(el => el.value = “”); document.getElementById(“calculationSteps”).innerHTML = “

Not calculated yet.

“; } function toggleLoanDetails(){ const details = document.getElementById(“calculationSteps”); const arrow = document.getElementById(“toggleArrow”); if (details.style.display === “none” || details.style.display === “”) { details.style.display = “block”; arrow.style.transform = “rotate(180deg)”; } else { details.style.display = “none”; arrow.style.transform = “rotate(0deg)”; } }