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calculater.html
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calculater.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.wrap{
width: 400px;
margin: auto;
height: auto;
background-color: black;
padding: 15px;
}
input [type=text]
{
width: 100%;
padding: 10px;
font-size: 22px;
margin-top: 20px;
font-weight: bold;
border-radius: 5px;
}
</style>
</head>
<body align="center" bgcolor="skyblue">
<div class ="wrap">
<form name = "cal">
<input type="text" name="display">
<br><br>
<input type="button" value="9" onclick="cal.display.value+='9'">
<input type="button" value="8" onclick="cal.display.value+='8'">
<input type="button" value="7" onclick="cal.display.value+='7'">
<input type="button" value="+" onclick="cal.display.value+='+'">
<br><br>
<input type="button" value="6" onclick="cal.display.value+='6'">
<input type="button" value="5" onclick="cal.display.value+='5'">
<input type="button" value="4" onclick="cal.display.value+='4'">
<input type="button" value="-" onclick="cal.display.value+='-'">
<br><br>
<input type="button" value="3" onclick="cal.display.value+='3'">
<input type="button" value="2" onclick="cal.display.value+='2'">
<input type="button" value="1" onclick="cal.display.value+='1'">
<input type="button" value="*" onclick="cal.display.value+='*'">
<br><br>
<input type="button" value="0" onclick="cal.display.value+='0'">
<input type="button" value="/" onclick="cal.display.value+='/'">
<input type="button" value="%" onclick="cal.display.value+='%'">
<input type="button" value="=" onclick="cal.display.value =eval(cal.display.value)">
<br> <br>
<input type="button" value="delete" id="del" onclick="cal.display.value=''">
</form>
</body>
</html>