INTERNPE/CALCULATOR.HTML at main · subhasamikshya/INTERNPE · GitHub

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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>Stylish Calculator</title>
    <style>
        body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(to right, #ff7e5f, #feb47b);
    margin: 0;
    font-family: 'Roboto', sans-serif;
}

.calculator {
    background-color: #fff;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    width: 320px;
}

#display {
    width: 100%;
    height: 60px;
    text-align: right;
    padding: 10px;
    font-size: 24px;
    border: none;
    border-radius: 10px;
    margin-bottom: 20px;
    background-color: #f1f1f1;
    box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.1);
}

.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.btn {
    padding: 20px;
    font-size: 18px;
    border: none;
    border-radius: 10px;
    background-color: #f9f9f9;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #e0e0e0;
}

.operator {
    background-color: #ff7e5f;
    color: #fff;
}

.operator:hover {
    background-color: #e0644c;
}

.equal {
    background-color: #feb47b;
    color: #fff;
    grid-column: span 2;
}

.equal:hover {
    background-color: #e5a265;
}

.clear {
    background-color: #ff5f5f;
    color: #fff;
    grid-column: span 2;
}

.clear:hover {
    background-color: #e04c4c;
}

    </style>
</head>
<body>
    <div class="calculator">
        <input type="text" id="display" disabled>
        <div class="buttons">
            <button class="btn" onclick="appendNumber('1')">1</button>
            <button class="btn" onclick="appendNumber('2')">2</button>
            <button class="btn" onclick="appendNumber('3')">3</button>
            <button class="btn operator" onclick="appendNumber('+')">+</button>
            <button class="btn" onclick="appendNumber('4')">4</button>
            <button class="btn" onclick="appendNumber('5')">5</button>
            <button class="btn" onclick="appendNumber('6')">6</button>
            <button class="btn operator" onclick="appendNumber('-')">-</button>
            <button class="btn" onclick="appendNumber('7')">7</button>
            <button class="btn" onclick="appendNumber('8')">8</button>
            <button class="btn" onclick="appendNumber('9')">9</button>
            <button class="btn operator" onclick="appendNumber('*')">*</button>
            <button class="btn" onclick="appendNumber('0')">0</button>
            <button class="btn" onclick="appendNumber('.')">.</button>
            <button class="btn equal" onclick="calculate()">=</button>
            <button class="btn operator" onclick="appendNumber('/')">/</button>
            <button class="btn clear" onclick="clearDisplay()">C</button>
        </div>
    </div>
    <script>
        function appendNumber(number) {
    const display = document.getElementById('display');
    display.value += number;
}

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

function calculate() {
    const display = document.getElementById('display');
    try {
        display.value = eval(display.value);
    } catch (error) {
        alert('Invalid calculation');
    }
}

    </script>
</body>
</html>