apps/calc.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CalculatorApp</title>
   <h1>CalculatorApp</h1>
    <h2><a href="app.html">Go to HomeUI</a></h2>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f0f0f0;
            font-family: Arial, sans-serif;
        }
        .calculator {
            background-color: #fff;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        .display {
            width: 100%;
            height: 40px;
            margin-bottom: 10px;
            text-align: right;
            padding-right: 10px;
            font-size: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.1);
        }
        .buttons {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
        }
        .button {
            padding: 20px;
            font-size: 18px;
            background-color: #e0e0e0;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .button:hover {
            background-color: #d0d0d0;
        }
        .button:active {
            background-color: #c0c0c0;
        }
        h1
        /*CSS for h1*/
        }
        h2
        /*CSS for h2*/
        }
    </style>
</head>
<body>
    <div class="calculator">
        <input type="text" class="display" id="display" disabled>
        <div class="buttons">
            <button class="button" onclick="clearDisplay()">C</button>
            <button class="button" onclick="appendToDisplay('7')">7</button>
            <button class="button" onclick="appendToDisplay('8')">8</button>
            <button class="button" onclick="appendToDisplay('9')">9</button>
            <button class="button" onclick="appendToDisplay('/')">/</button>
            <button class="button" onclick="appendToDisplay('4')">4</button>
            <button class="button" onclick="appendToDisplay('5')">5</button>
            <button class="button" onclick="appendToDisplay('6')">6</button>
            <button class="button" onclick="appendToDisplay('*')">*</button>
            <button class="button" onclick="appendToDisplay('1')">1</button>
            <button class="button" onclick="appendToDisplay('2')">2</button>
            <button class="button" onclick="appendToDisplay('3')">3</button>
            <button class="button" onclick="appendToDisplay('-')">-</button>
            <button class="button" onclick="appendToDisplay('0')">0</button>
            <button class="button" onclick="appendToDisplay('.')">.</button>
            <button class="button" onclick="computeResult()">=</button>
            <button class="button" onclick="appendToDisplay('+')">+</button>
        </div>
    </div>
    <script>
        function appendToDisplay(value) {
            document.getElementById('display').value += value;
        }

        function clearDisplay() {
            document.getElementById('display').value = '';
        }

        function computeResult() {
            const display = document.getElementById('display');
            try {
                display.value = eval(display.value);
            } catch (error) {
                display.value = 'Error';
            }
        }
    </script>
</body>
</html>