The <sup> HTML tag is used to show text as a superscript for just typography reasons. Superscripts are normally shown with a little lifted line using smaller letters.
The <sup> tag tells us it is lower case.
Smaller text is sometimes placed half a character above the usual line, and might be written in smaller letters. We can use small writing for footnotes.
HTML Example
<!DOCTYPE html>
<html lang="en">
<head>
<!--This is our webpage it's our very first webpage-->
<title>Levoric | HTML Fundamentle Tutorial</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<!--Write your content here levoriclearn top degree online and program-->
<h1>What is sup</h1>
E=mc<sup>2</sup>
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</body>
</html>