<SUB> and </SUB>

Description:

Display the text as a subscript, and if possible in a smaller font.

Attributes:

class=class
Indicates that the text is to be formatted using the specified class.
dir=direction
Indicates the direction (right or left) that the text is to be displayed. Useful for languages which display left to right.
event=JavaScript
When event occurs, execute the specified JavaScript.
id = "name"
You can give a text a name, which allows it to be referenced and changed in a script (dynamic HTML).
lang="lang"
Indicates the language of the text within the text.
style="style"
Defines the style in which the text will be displayed. This overrides any style elements at an "outer" level, such as from the BODY or the Cascading Style Sheet.
title="title"
You can give a text a title if you want. This provides some additional information about the text. I'm not sure why you would want to do this, but you could.

Examples:

The answer is 4<SUB>234</SUB>

The answer is 4234