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calculator.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Enhanced Calculator</title>
<style>
body {
font-family: 'Arial', sans-serif;
background-color: #f4f4f4;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
margin: 0;
}
#calculator {
background-color: #fff;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
padding: 20px;
text-align: center;
}
input {
width: 100%;
margin-bottom: 10px;
padding: 10px;
box-sizing: border-box;
}
button {
width: 23%;
padding: 10px;
margin: 5px;
box-sizing: border-box;
cursor: pointer;
background-color: #4caf50;
color: #fff;
border: none;
border-radius: 4px;
font-size: 16px;
}
button:hover {
background-color: #45a049;
}
#zero-button {
width: 48%;
}
</style>
</head>
<body>
<div id="calculator">
<input type="text" id="display" disabled>
<br>
<button onclick="appendToDisplay('1')">1</button>
<button onclick="appendToDisplay('2')">2</button>
<button onclick="appendToDisplay('3')">3</button>
<button onclick="appendToDisplay('+')">+</button>
<br>
<button onclick="appendToDisplay('4')">4</button>
<button onclick="appendToDisplay('5')">5</button>
<button onclick="appendToDisplay('6')">6</button>
<button onclick="appendToDisplay('-')">-</button>
<br>
<button onclick="appendToDisplay('7')">7</button>
<button onclick="appendToDisplay('8')">8</button>
<button onclick="appendToDisplay('9')">9</button>
<button onclick="appendToDisplay('*')">*</button>
<br>
<button id="zero-button" onclick="appendToDisplay('0')">0</button>
<button onclick="appendToDisplay('.')">.</button>
<button onclick="clearDisplay()">C</button>
<button onclick="calculateResult()">=</button>
<button onclick="appendToDisplay('/')">/</button>
<button onclick="appendToDisplay('%')">%</button>
</div>
<script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
<script>
function appendToDisplay(value) {
$('#display').val($('#display').val() + value);
}
function clearDisplay() {
$('#display').val('');
}
function calculateResult() {
try {
$('#display').val(eval($('#display').val()));
} catch (error) {
$('#display').val('Error');
}
}
</script>
</body>
</html>