Basic-Calculator/index.html at master · salahuddingfx/Basic-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"/>
    <meta name="description" content="This is an simple calculator using inline javascript onclick function"/>
    <meta name="keyword" content="calculator, simple calculator, js-calculator"/>
    <meta name="author" content="Salah Uddin Kader"/>
    <link rel="icon" href="Icon/calculator.png"/>
    <title>A Simple Basic Calculator</title>
    <link rel="stylesheet" href="style.css"/>
</head>
<body>
    <div class="container">
        <div class="calculator">
            <form>
                <div class="display">
                    <input type="text" name="display">
                </div>
                <div>
                    <input type="button" value="AC" onclick="display.value =''" class="operator">
                    <input type="button" value="DEL" onclick="display.value = display.value.toString().slice(0,-1)" class="operator">
                    <input type="button" value="." onclick="display.value+='.'" class="operator">
                    <input type="button" value="/" onclick="display.value+='/'" class="operator">
                </div>
                <div>
                    <input type="button" value="7" onclick="display.value+='7'">
                    <input type="button" value="8" onclick="display.value+='8'">
                    <input type="button" value="9" onclick="display.value+='9'">
                    <input type="button" value="*" onclick="display.value+='*'" class="operator">
                </div>
                <div>
                    <input type="button" value="4" onclick="display.value+='4'">
                    <input type="button" value="5" onclick="display.value+='5'">
                    <input type="button" value="6" onclick="display.value+='6'">
                    <input type="button" value="-" onclick="display.value+='-'" class="operator">
                </div>
                <div>
                    <input type="button" value="1" onclick="display.value+='1'">
                    <input type="button" value="2" onclick="display.value+='2'">
                    <input type="button" value="3" onclick="display.value+='3'">
                    <input type="button" value="+" onclick="display.value+='+'" class="operator">
                </div>
                <div>
                    <input type="button" value="00" onclick="display.value+='00'">
                    <input type="button" value="0" onclick="display.value+='0'">
                    <input type="button" value="=" class="equal operator" onclick="display.value = eval(display.value)">
                </div>
            </form>
        </div>
    </div>
</body>
</html>