Calculator/index.html at main · adityajunwal/Calculator · 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>Calculator</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="calculator">
        <input id="display" type="text" value="0" readonly>
        <div class="keypad">
            <button onclick="addChar('(')">(</button>
            <button onclick="addChar(')')">)</button>
            <button onclick="backspace()">&larr;</button>
            <button onclick="addChar('+')">+</button>
            <button onclick="addChar('7')" class="numkeys">7</button>
            <button onclick="addChar('8')" class="numkeys">8</button>
            <button onclick="addChar('9')" class="numkeys">9</button>
            <button onclick="addChar('-')">-</button>
            <button onclick="addChar('4')" class="numkeys">4</button>
            <button onclick="addChar('5')" class="numkeys">5</button>
            <button onclick="addChar('6')" class="numkeys">6</button>
            <button onclick="addChar('*')">*</button>
            <button onclick="addChar('1')" class="numkeys">1</button>
            <button onclick="addChar('2')" class="numkeys">2</button>
            <button onclick="addChar('3')" class="numkeys">3</button>
            <button onclick="addChar('/')">/</button>
            <button onclick="addChar('.')">.</button>
            <button onclick="addChar('0')" class="numkeys">0</button>
            <button onclick="clearScreen()">C</button>
            <button onclick="calculate()">=</button>
        </div>
        <button class="numkeys" id="history" onclick="displayHistory()">HISTORY</button>
    </div>

    <div id="history-display">
        <button id="cross" onclick="hideHistory()">&#10006;</button>
        <div id="history-list"></div>
    </div>
    <script src="script.js"></script>
</body>

</html>