HTML, CSS এবং JavaScript ব্যবহার করে একটি Calculator তৈরি করতে পারেন।
Calculator
Html(index.html)
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<h1>Calculator</h1>
<div class="calculator">
<input type="text" id="result">
<div class="buttons">
<button onclick="appendToResult('7')">7</button>
<button onclick="appendToResult('8')">8</button>
<button onclick="appendToResult('9')">9</button>
<button class="operator" onclick="appendToResult('+')">+</button>
<button onclick="appendToResult('4')">4</button>
<button onclick="appendToResult('5')">5</button>
<button onclick="appendToResult('6')">6</button>
<button class="operator" onclick="appendToResult('-')">-</button>
<button onclick="appendToResult('1')">1</button>
<button onclick="appendToResult('2')">2</button>
<button onclick="appendToResult('3')">3</button>
<button class="operator" onclick="appendToResult('*')">*</button>
<button onclick="appendToResult('0')">0</button>
<button class="clear" onclick="clearResult()">C</button>
<button class="operator" onclick="appendToResult('/')">/</button>
<button class="equal" onclick="calculateResult()">=</button>
</div>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
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