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calculator.html
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calculator.html
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</!DOCTYPE>
<html>
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
<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(exp)
}
}
function clean()
{
document.form.textview.value = ""
}
function eveodd()
{ var alpha = document.form.textview.value;
if(alpha%2==0)
{
document.form.textview.value = 'Even';
}
else
{
document.form.textview.value = 'Odd';
}
}
function prime()
{ var n = document.form.textview.value;
var x=2;
if (n==1)
{
document.form.textview.value ='Not Prime';
}
else if(n==2)
{
document.form.textview.value ='Prime';
}
else
{ for(x=2; x<n; x++)
{
if((n%x)==0)
{
document.form.textview.value ='Not Prime';
break;
}
}
document.form.textview.value ='Prime';
}
}
</script>
<style>
.button
{
height: 70;
width: 70;
font-size: 30;
margin:2;
border-radius: 8px;
color: black;
}
.textview
{
height:50;
font-size: 25;
margin: 2
}
</style>
</head>
<body>
<div class="main">
<div class="container-fluid">
<h1> Calculator</h1>
<form name="form">
<input class="textview" name="textview" id="testv">
</form>
<table>
<tr>
<td><input class="button" type="button" value="C" onclick="clean()"></td>
<td><input class="button" type="button" value="%" onclick="insert('%')"></td>
<td><input class="button" type="button" value="/"onclick="insert('/')"></td>
<td><input class="button" type="button" value="P"onclick="prime()"></td>
</tr>
<tr>
<td><input class="button" type="button" value="1" onclick="insert(1)"></td>
<td><input class="button" type="button" value="2" onclick="insert(2)"></td>
<td><input class="button" type="button" value="3" onclick="insert(3)"></td>
<td><input class="button" type="button" value="*"onclick="insert('*')"></td>
</tr>
<tr>
<td><input class="button" type="button" value="4"onclick="insert(4)"></td>
<td><input class="button" type="button" value="5"onclick="insert(5)"></td>
<td><input class="button" type="button" value="6"onclick="insert(6)"></td>
<td><input class="button" type="button" value="-"onclick="insert('-')"></td>
</tr>
<tr>
<td><input class="button" type="button" value="7"onclick="insert(7)"></td>
<td><input class="button" type="button" value="8"onclick="insert(8)"></td>
<td><input class="button" type="button" value="9"onclick="insert(9)"></td>
<td><input class="button" type="button" value="+"onclick="insert('+')"></td>
</tr>
<tr>
<td><input class="button" type="button" value="0"onclick="insert(0)"></td>
<td><input class="button" type="button" value="."onclick="insert('.')"></td>
<td><input class="button" type="button" value="n"onclick="eveodd()"></td>
<td><input class="button" type="button" value="="onclick="equal()"></td>
</tr>
</table>
</div>
</body>
</html>