<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
#point:after{
content:"\02238";
}
</style>
</head>
<body>
<p>Dot Minus using Hexa Decimal: ∸</p>
<p>Dot Minus using HTML Code: ∸</p>
<p>Dot Minus using HTML Entity: ∸</p>
<p id="point">Dot Minus using CSS Entity: </p> </body>
</html>