Here are some superscripts: ¹ ² ³
Other symbols: ° § © ½ ™
Even more special symbols.
Following are the emoticons (aka “smilies”) supported by this blog. Smilies only work if there are spaces before and after.
A comprehensive list of special symbols and codes to enter them can be found on the HTML Codes – Characters and Symbols page. It helps to memorize a few, like § for §.