webcalculator/index.html at main · WebDevChandan/webcalculator · 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>Web Calculator</title>
	<link rel="shortcut icon" href="https://i.postimg.cc/yx8pmg9h/Web-Dev-Chandan-Favicon.png" type="image/x-icon">
	<link rel="stylesheet" href="style.css">
<!--//////////////////////////////////////////////////////////
//                                                         //
//  Project Name : Neumorphism WebCalculator              //
//  Author : WebDevChandan 				 //
//  Site : webdevchandan.hawkviewer.com                 //
//  License : Creative Commons Attribution License     //
//  Share and Use This With Proper Credit.            //
//                                                   //
//////////////////////////////////////////////////////-->
</head>
<body>

	<form class="calculator" name="calc">
		<input type="text" class="value" name="text" readonly=""/>
		<span class="num clear" onclick="document.calc.text.value=''">c</span>
		<span class="num" onclick="back()"> &#x2190;</span>
		<span class="num" onclick="document.calc.text.value +='/'">/</span>
		<span class="num" onclick="document.calc.text.value +='*'">*</span>
		<span class="num" onclick="document.calc.text.value +='7'">7</span>
		<span class="num" onclick="document.calc.text.value +='8'">8</span>
		<span class="num" onclick="document.calc.text.value +='9'">9</span>
		<span class="num" onclick="document.calc.text.value +='-'">-</span>
		<span class="num" onclick="document.calc.text.value +='4'">4</span>
		<span class="num" onclick="document.calc.text.value +='5'">5</span>
		<span class="num" onclick="document.calc.text.value +='6'">6</span>
		<span class="num plus" onclick="document.calc.text.value +='+'">+</span>
		<span class="num" onclick="document.calc.text.value +='3'">3</span>
		<span class="num" onclick="document.calc.text.value +='2'">2</span>
		<span class="num" onclick="document.calc.text.value +='1'">1</span>
		<span class="num" onclick="document.calc.text.value +='0'">0</span>
		<span class="num" onclick="document.calc.text.value +='.'">.</span>
		<span class="num" onclick="document.calc.text.value +='%'">%</span>
		<span class="num equal" onclick="document.calc.text.value =eval(calc.text.value)">=</span>
	</form>

	<script>
		function back(){
	var exp=document.calc.text.value;
	document.calc.text.value=exp.substring(0,exp.length-1);
}
	</script>
</body>
</html>