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index.html
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index.html
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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>
<h1>Calculator</h1>
<div class="container">
<form class="calculator" name="calc">
<input type="text" name="txt" class="value" readonly="" />
<span class="num clear" onclick="document.calc.txt.value =''"> c</span>
<span class="num" onclick="document.calc.txt.value +='/' "> /</span>
<span class="num" onclick="document.calc.txt.value +='*' "> *</span>
<span class="num" onclick="document.calc.txt.value +='7' "> 7</span>
<span class="num" onclick="document.calc.txt.value +='8' "> 8</span>
<span class="num" onclick="document.calc.txt.value +='9' "> 9</span>
<span class="num" onclick="document.calc.txt.value +='-' "> -</span>
<span class="num" onclick="document.calc.txt.value +='4' "> 4</span>
<span class="num" onclick="document.calc.txt.value +='5' "> 5</span>
<span class="num" onclick="document.calc.txt.value +='6' "> 6</span>
<span class="num" onclick="document.calc.txt.value +='+' "> +</span>
<span class="num" onclick="document.calc.txt.value +='3' "> 3</span>
<span class="num" onclick="document.calc.txt.value +='2' "> 2</span>
<span class="num" onclick="document.calc.txt.value +='1' "> 1</span>
<span class="num" onclick="document.calc.txt.value +='0' "> 0</span>
<span class="num" onclick="document.calc.txt.value +='%' "> %</span>
<span class="num" onclick="document.calc.txt.value +='.' "> .</span>
<span
class="num plus"
onclick="document.calc.txt.value =eval(calc.txt.value)"
>
=</span
>
</form>
</div>
</body>
</html>