<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="./index.css" />
<title>Calculator</title>
</head>
<body>
<div id="main">
<div id="calculator">
<div id="calculator-screen">
<div id="calculator-screen-text">0</div>
</div>
<div id="calculator-keyboard">
<div class="buttons">7</div>
<div class="buttons">8</div>
<div class="buttons">9</div>
<div class="buttons">+</div>
<div class="buttons">/</div>
<div class="buttons">4</div>
<div class="buttons">5</div>
<div class="buttons">6</div>
<div class="buttons">-</div>
<div class="buttons">*</div>
<div class="buttons">1</div>
<div class="buttons">2</div>
<div class="buttons">3</div>
<div class="buttons">=</div>
<div class="buttons">%</div>
<div class="buttons">.</div>
<div class="buttons">0</div>
<div class="text-key buttons">exp</div>
<div class="text-key buttons">del</div>
<div class="buttons">C</div>
</div>
</div>
</div>
<script type="text/javascript" src="./script.js"></script>
</body>
</html>
