Calculator Practical & Project (O Level)
<html>
<head>
</head>
<body>
<center>
<h1>Calculator</h1>
<caption>ITCI Computer Hardoi</caption></center><br>
<script>
function insert(num){
document.form.textView.value=document.form.textView.value+num;
}
function equal(){
var exp = document.form.textView.value;
if(exp){
document.form.textView.value=eval(document.form.textView.value);
}
}
function c(){
document.form.textView.value=" ";
}
</script>
<center>
<div style="border:2px groove red;width:140;background:pink;border-radius:4px">
<form name="form">
<input type="text" name="textView"style="width:140px;height:30px;background:seagreen;border:2px solid green;color:white;"><br><br>
<input type="button" value="1" onclick="insert(1)"/>
<input type="button" value="2" onclick="insert(2)"/>
<input type="button" value="3" onclick="insert(3)"/>
<input type="button" value="+" onclick="insert('+')"/>
<br><br>
<input type="button" value="4" onclick="insert(4)"/>
<input type="button" value="5" onclick="insert(5)"/>
<input type="button" value="6" onclick="insert(6)"/>
<input type="button" value="-" onclick="insert('-')"/>
<br><br>
<input type="button" value="7" onclick="insert(7)"/>
<input type="button" value="8" onclick="insert(8)"/>
<input type="button" value="9" onclick="insert(9)"/>
<input type="button" value="*" onclick="insert('*')"/>
<br><br>
<input type="button" value="0" onclick="insert(0)"/>
<input type="button" value="/" onclick="insert('/')"/>
<input type="button" value="=" onclick="equal()"/>
<input type="button" value="C" onclick="c()"/>
<br><br>
<img src="D:\logo\best logo new.PNG"width="30"height="20">
</form>
</div>
</center>
</body>
</html>
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