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<html lang="en-US">
<head>
<style>
#point:after{
content:"\0207A";
}
</style>
</head>
<body>
<p>Superscript Plus using Hexa Decimal: ⁺</p>
<p>Superscript Plus using HTML Code: ⁺</p>
<p id="point">Superscript Plus using CSS Entity: </p>
</body>
</html>