Answer:
1. Place the cursor where you want to insert characters
First place the cursor in the document where you want to insert the superscript special character.
2. Find and click Insert, then select Special Characters
Locate the toolbar at the top of the page and click the button labeled Insert. A drop-down menu with a list of insert options will appear on the screen. From this list, click the button labeled Special Characters.
Special role
3. Enter Superscript and select your special characters

After selecting Special Characters, a pop-up chart will appear on the page. In the search box, type Superscript to access all relevant characters. To use characters, just click the icon and it will appear at the cursor position.