Are you trying to write an exponent? Are you tired of using ^2? Try the new superscript tag.

You'll see the superscript button when you're typing up your post. It looks like this:

Here's an example: E = mc2

And there's a spiffy new subscript tag as well. Just click this button:

Here's an example of subscript: H20

Yes, they're small changes. But I hope they make the forums more enjoyable to use.