<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Calculator</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
input, button {
margin: 5px;
padding: 10px;
font-size: 16px;
}
#result {
margin-top: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<h3>Simple Calculator</h3>
<input type="number" id="value1" placeholder="Enter first number">
<input type="number" id="value2" placeholder="Enter second number">
<div>
<button name="add" onclick="add()">ADDITION</button>
<button name="sub" onclick="sub()">SUBTRACT</button>
<button name="mul" onclick="mul()">MULTIPLY</button>
<button name="div" onclick="div()">DIVISION</button>
</div>
<div id="result"></div>
<script>
function add() {
const value1 = parseFloat(document.getElementById('value1').value);
const value2 = parseFloat(document.getElementById('value2').value);
const result = value1 + value2;
document.getElementById('result').innerText = `Addition of ${value1} and ${value2} is ${result}`;
}
function sub() {
const value1 = parseFloat(document.getElementById('value1').value);
const value2 = parseFloat(document.getElementById('value2').value);
const result = value1 - value2;
document.getElementById('result').innerText = `Subtraction of ${value1} and ${value2} is ${result}`;
}
function mul() {
const value1 = parseFloat(document.getElementById('value1').value);
const value2 = parseFloat(document.getElementById('value2').value);
const result = value1 * value2;
document.getElementById('result').innerText = `Multiplication of ${value1} and ${value2} is ${result}`;
}
function div() {
const value1 = parseFloat(document.getElementById('value1').value);
const value2 = parseFloat(document.getElementById('value2').value);
if (value2 === 0) {
document.getElementById('result').innerText = 'Error: Division by zero';
} else {
const result = value1 / value2;
document.getElementById('result').innerText = `Division of ${value1} and ${value2} is ${result}`;
}
}
</script>
</body>
</html>