Home Loan Calculator Capitec Bank

let calculationSteps = “”; const currencySymbol = “R”, fixedCurrency = “ZAR”; function calculateHomeLoan(){ calculationSteps = “”; const loanAmount = parseFloat(document.getElementById(“loanAmount”).value); const interestRate = parseFloat(document.getElementById(“interestRate”).value); 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 / 100 / 12; const numberOfPayments = loanTerm * 12; const monthlyRepayment = (loanAmount * monthlyInterestRate) / (1 – Math.pow(1 + monthlyInterestRate, -numberOfPayments)); document.getElementById("monthlyRepayment").value = formatCurrency(monthlyRepayment); calculationSteps += `Inputs:
Loan Amount: ${formatCurrency(loanAmount)}
Interest Rate: ${interestRate}%
Loan Term: ${loanTerm} years

`; calculationSteps += `Formula:
Monthly Repayment = Loan Amount × (Interest Rate / 12) / (1 – (1 + (Interest Rate / 12))^(-Loan Term × 12))

`; calculationSteps += `Result:
Estimated Monthly Repayment: ${formatCurrency(monthlyRepayment)}
`; if(document.getElementById(“calculationSteps”).style.display === “block”){ document.getElementById(“calculationSteps”).innerHTML = calculationSteps; } } function resetHomeLoan(){ document.querySelectorAll(“#calculator input”).forEach(el => el.value = “”); calculationSteps = “”; document.getElementById(“calculationSteps”).innerHTML = “

Not calculated yet.

“; } function toggleCalculationSteps(){ const steps = document.getElementById(“calculationSteps”); const arrow = document.getElementById(“toggleArrow”); if(steps.style.display === “none” || steps.style.display === “”){ steps.style.display = “block”; arrow.style.transform = “rotate(180deg)”; steps.innerHTML = calculationSteps || “

Not calculated yet.

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