<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>My Website</title>
<link rel="stylesheet" href="styles.css"> <!-- Link to your existing CSS -->
<style>
/* Add the calculator CSS here */
.calculator {
background-color: #333;
padding: 20px;
border-radius: 10px;
box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
width: 300px;
margin: 20px auto;
}
#display {
width: 100%;
height: 50px;
background-color: #222;
color: #fff;
border: none;
text-align: right;
padding: 10px;
font-size: 24px;
border-radius: 5px;
margin-bottom: 10px;
}
.buttons {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px;
}
button {
background-color: #444;
color: #fff;
border: none;
padding: 20px;
font-size: 18px;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
}
button:hover {
background-color: #555;
}
.equals {
grid-column: span 2;
background-color: #f39c12;
}
.equals:hover {
background-color: #e67e22;
}
.zero {
grid-column: span 2;
}
</style>
</head>
<body>
<header>
<h1>Welcome to My Website</h1>
</header>
<main>
<p>This is a simple website with a built-in calculator.</p>
<!-- Paste the calculator HTML here -->
<div class="calculator">
<input type="text" id="display" disabled>
<div class="buttons">
<button onclick="clearDisplay()">C</button>
<button onclick="appendToDisplay('/')">/</button>
<button onclick="appendToDisplay('*')">*</button>
<button onclick="deleteLast()">DEL</button>
<button onclick="appendToDisplay('7')">7</button>
<button onclick="appendToDisplay('8')">8</button>
<button onclick="appendToDisplay('9')">9</button>
<button onclick="appendToDisplay('-')">-</button>
<button onclick="appendToDisplay('4')">4</button>
<button onclick="appendToDisplay('5')">5</button>
<button onclick="appendToDisplay('6')">6</button>
<button onclick="appendToDisplay('+')">+</button>
<button onclick="appendToDisplay('1')">1</button>
<button onclick="appendToDisplay('2')">2</button>
<button onclick="appendToDisplay('3')">3</button>
<button onclick="calculateResult()" class="equals">=</button>
<button onclick="appendToDisplay('0')" class="zero">0</button>
<button onclick="appendToDisplay('.')">.</button>
</div>
</div>
</main>
<footer>
<p>© 2025 My Website</p>
</footer>
<!-- Add the calculator JavaScript here -->
<script>
function appendToDisplay(value) {
document.getElementById('display').value += value;
}
function clearDisplay() {
document.getElementById('display').value = '';
}
function deleteLast() {
let display = document.getElementById('display');
display.value = display.value.slice(0, -1);
}
function calculateResult() {
let display = document.getElementById('display');
try {
display.value = eval(display.value);
} catch (e) {
display.value = 'Error';
}
}
</script>
</body>
</html>
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