After inputting numbers, when you want to input superscript, first press the key combination of "Shift+Ctrl+=" to enter the superscript input state, then enter 2 or 3 (other numbers or even Chinese characters are acceptable), and then press the key combination of "Shift+Ctrl+=" to return to the normal input state. In addition, if you press the "Ctrl+=" key combination, you will enter the subscript input state, return to the normal state and press the "Ctrl+=" key combination again.

If you want to enter a score, you can only use the formula editor, which is usually displayed as a tool button. You can use the formula editor under the Tools/Options/Insert menu, then hold down the left button and drag this tool button to any toolbar to release the mouse, and then open the formula editor to enter the formula editing state. ...