<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02299";
}
</style>
</head>
<body>
<p>Circled Dot Operator using Hexa Decimal: ⊙</p>
<p>Circled Dot Operator using HTML Code: ⊙</p>
<p>Circled Dot Operator using HTML Entity: ⊙</p>
<p id="point">Circled Dot Operator using CSS Entity: </p>
</body>
</html>