Here is emphasized text, side-by-side with italicized text.
Here is strong text, side-by-side with bolded text.
Underlined text looks too much like a hyperlink.

You can use teletype tags (<tt>) to format code-like text, but better HTML coding would involve using the code, keyboard, sample, or variable elements.

Write fancy math equations using the sub and sup elements, like this:
e=mc²

When working on a new version of page, show what you've deleted removed and what you've inserted.

Use the ABBR tag to show abbreviations - for example, PM.

Unfortunately, the q element does not typically get displayed with quotation marks around it in Internet Explorer for Windows, although it is displayed with quotation marks in IE for Mac, Opera, Netscape, and Mozilla.

However, the blockquote element does get displayed indented to the rest of the text. Don't use this as a way to indent just anything, however!

Example citation and definition.

Backwards text!

Preformatted text:
You can write poetry
                   and format all your lines
    as you want them displayed.

Font size = 5 Font size = 3 and color = #ff0000