`<sup>`

A superscript is text that is printed above the line. It is frequently used in chemical and mathematical formulas.

Rendering expectations

The content of the <sup> element is typically rendered higher in relationship to the surrounding text and in a smaller font.

The <sup> element is specialized from <ph>. It is defined in the highlighting-domain module.

The following attributes are available on this element: universal attributes and @keyref.

The following code sample shows a <sup> element used to ensure proper formatting of the exponent in the number ten to the power of five:

<p>The power produced by the electrohydraulic dam was 10<sup>5</sup> more than 
the older electric plant.</p>