Program For Make Calculator
<!DOCTYPE html>
<html>
<head>
<title>holle student</title>
<style>
body{background-color:aquamarine;}
{box-sizing:border-box;
-webkit-box-sizing: border-box;
-moz-box-sizing:border-box;
}
input[type=text]
{
width:350px;
padding: 10px;
font-weight: bold;
margin-top: 20px;
border:4px solid red;
border-radius:5px;
font-size: 24px;
}
width: 89px;
padding: 10px;
font-size: 22px;
font-weight: bold;
border-radius: 5px;
callspace:25px;
}
#clrbtn{background: red;}
#display{background:white;}
</style>
</head>
<body>
<center><h1>ITCI Computer Hardoi</h1>
<h3>www.itcicomputerhardoi.blogspot.com</h3>
<h2>Project:- Calculator</h2>
<div class="containe"width="100px">
<h1><form name="calculator">
<input id="display"type="text"name="display"readonly><br><br>
<input class="sev"type="button"value="7"onclick="calculator.display.value+='7'">
<input class="et"type="button"value="8"onclick="calculator.display.value+='8'">
<input class="nin"type="button"value="9"onclick="calculator.display.value+='9'">
<input class="add"type="button"value="+"onclick="calculator.display.value+='+'"><br>
<input class="six"type="button"value="6"onclick="calculator.display.value+='6'">
<input class="fiv"type="button"value="5"onclick="calculator.display.value+='5'">
<input class="for"type="button"value="4"onclick="calculator.display.value+='4'">
<input class="sub"type="button"value="-"onclick="calculator.display.value+='-'"><br>
<input class="three"type="button"value="3"onclick="calculator.display.value+='3'">
<input class="two"type="button"value="2"onclick="calculator.display.value+='2'">
<input class="one"type="button"value="1"onclick="calculator.display.value+='1'">
<input class="multi"type="button"value="*"onclick="calculator.display.value+='*'"><br>
<input id="clrbtn"type="button"value="c"onclick="calculator.display.value=''">
<input class="zero"type="button"value="0"onclick="calculator.display.value+='0'">
<input class="ev"type="button"value="="onclick="calculator.display.value=eval(calculator.display.value)">
<input class="div"type="button"value="/"onclick="calculator.display.value+='/'">
</div></form></center>
<br><br>
<br><br>
</body>
</html>
-:Output Video:-
.png)