Not something used very often. I only added Superscript and Subscript for my own use but if you want to use either you'll need to hand code them in. Subscript The [sub]sub[/sub] tag styles text as a subscript. This is an inline tag and no block level tags can be placed inside, however other inline tags can be if nested correctly. Usage PHP: [sub]text or more BB Code[/sub] Superscript The [sup]sup[/sup] tag styles text as a superscript. This is an inline tag and no block level tags can be placed inside, however other inline tags can be if nested correctly. Usage PHP: [sup]text or more BB Code[/sup]