What Are SUB and SUP Tags/Elements
What Are SUB and SUP Tags/Elements? - XHTML 1.0 Tutorials - Understanding In-line Elements and Tags
"sub" and "sup" elements are inline elements that you can use to specify text to be treated as subscript and superscript respectively. Here are basic rules about "sub" and "sup" elements:
Here is a good tutorial example of "sub" and sup" elements:
<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <title>SUB and SUP Elements</title> </head> <body> <p>The most popular algebra formula:<br/> <code>(a+b)<sup>2</sup> = a<sup>2</sup> + 2ab + b<sup>2</sup></code></p> <p>The right sided derivative:<br/> <code>f'(x) = <sub>lim(dx->0)</sub>((f(x+dx)-f(x))/dx)</code></p> </body> </html>
If you save the above document as sub_and_sup.html, and view it with
Internet Explorer, you will see that mathematical formulas are displayed
nicely with "sub" and "sup" elements as shown below:
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