The steps for entering the word2013 are as follows:
Step one: First, open Word2013, click the menu "Insert"-"formula".
Step two: When you want to enter the superscript, click the second icon in the Formula tool "superscript".
Step three: Then click on the corresponding superscript or subscript as needed.
Step four: At this point, the formula input box will appear in the corresponding input box, move the cursor to the appropriate input box, type text.
Step five: In this way, you can enter superscript or subscript in the formula.