.calculator-container {
font-family: Arial, sans-serif;
border: 1px solid #ccc;
padding: 20px;
border-radius: 8px;
max-width: 500px;
margin: 20px auto;
background-color: #f9f9f9;
}
.calculator-inputs h2, .calculator-result h3 {
text-align: center;
color: #333;
}
.input-group {
margin-bottom: 15px;
}
.input-group label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #555;
}
.input-group input[type="number"] {
width: calc(100% – 22px);
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
.calculator-inputs button {
display: block;
width: 100%;
padding: 10px 15px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
margin-top: 20px;
}
.calculator-inputs button:hover {
background-color: #45a049;
}
.calculator-result {
margin-top: 25px;
padding: 15px;
background-color: #e7f3fe;
border: 1px solid #cce5ff;
border-radius: 4px;
text-align: center;
}
#magrResult {
font-size: 1.2em;
font-weight: bold;
color: #007bff;
}
function calculateMAGR() {
var initialValue = parseFloat(document.getElementById("initialValue").value);
var finalValue = parseFloat(document.getElementById("finalValue").value);
var numberOfYears = parseFloat(document.getElementById("numberOfYears").value);
var magrResultElement = document.getElementById("magrResult");
if (isNaN(initialValue) || isNaN(finalValue) || isNaN(numberOfYears)) {
magrResultElement.textContent = "Please enter valid numbers for all fields.";
return;
}
if (initialValue <= 0) {
magrResultElement.textContent = "Initial Value must be greater than zero.";
return;
}
if (numberOfYears <= 0) {
magrResultElement.textContent = "Number of Years must be greater than zero.";
return;
}
// Formula for Mean Annual Growth Rate (MAGR)
// MAGR = ( (Final Value / Initial Value)^(1 / Number of Years) ) – 1
var magr = Math.pow((finalValue / initialValue), (1 / numberOfYears)) – 1;
magrResultElement.textContent = (magr * 100).toFixed(2) + "%";
}