Share Certificate Calculator
function calculateShareCertificate() {
var initialDeposit = parseFloat(document.getElementById("initialDeposit").value);
var annualRate = parseFloat(document.getElementById("annualRate").value);
var termLength = parseFloat(document.getElementById("termLength").value);
var compoundingFrequency = parseInt(document.getElementById("compoundingFrequency").value);
var resultDiv = document.getElementById("result");
if (isNaN(initialDeposit) || initialDeposit <= 0) {
resultDiv.innerHTML = "Please enter a valid initial deposit amount.";
return;
}
if (isNaN(annualRate) || annualRate < 0) {
resultDiv.innerHTML = "Please enter a valid annual interest rate.";
return;
}
if (isNaN(termLength) || termLength <= 0) {
resultDiv.innerHTML = "Please enter a valid term length in years.";
return;
}
var rateDecimal = annualRate / 100;
var totalCompounds = compoundingFrequency * termLength;
var maturityValue = initialDeposit * Math.pow((1 + (rateDecimal / compoundingFrequency)), totalCompounds);
var totalInterestEarned = maturityValue – initialDeposit;
resultDiv.innerHTML =
"Initial Deposit: $" + initialDeposit.toFixed(2) + "" +
"Total Interest Earned: $" + totalInterestEarned.toFixed(2) + "" +
"Maturity Value: $" + maturityValue.toFixed(2) + "";
}
.share-certificate-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f9f9f9;
padding: 25px;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
max-width: 600px;
margin: 20px auto;
border: 1px solid #e0e0e0;
}
.share-certificate-calculator-container h2 {
color: #2c3e50;
text-align: center;
margin-bottom: 20px;
font-size: 1.8em;
}
.share-certificate-calculator-container p {
color: #34495e;
line-height: 1.6;
margin-bottom: 15px;
}
.calculator-form label {
display: block;
margin-bottom: 8px;
color: #34495e;
font-weight: bold;
}
.calculator-form input[type="number"],
.calculator-form select {
width: calc(100% – 22px);
padding: 12px;
margin-bottom: 15px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 1em;
box-sizing: border-box;
}
.calculator-form button {
background-color: #28a745;
color: white;
padding: 12px 25px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 1.1em;
display: block;
width: 100%;
transition: background-color 0.3s ease;
}
.calculator-form button:hover {
background-color: #218838;
}
.calculator-results {
background-color: #e9f7ef;
border: 1px solid #d4edda;
border-radius: 8px;
padding: 20px;
margin-top: 25px;
}
.calculator-results h3 {
color: #2c3e50;
margin-top: 0;
margin-bottom: 15px;
font-size: 1.4em;
text-align: center;
}
.calculator-results p {
font-size: 1.1em;
color: #218838;
margin-bottom: 10px;
}
.calculator-results p strong {
color: #2c3e50;
}