Mainly depends on whether the input method supports numbers that do not support fine print. What kind of fine print is marked in the font? It's called superscript. Mark it in the font? The one who goes down is called Xiao Biao.

Take sogou as an example to type out the steps:

Step 1, press the shortcut key Ctrl+Shift to pop up the sogou input method;

Step 2, click "Input Mode", that is, the keypad;

Step 3, click "Special Symbol";

Step 4, pop up the symbol encyclopedia and click "Mathematics/Unit";

Step 5: See superscript "0 123n" and subscript "123". Just click on them (such as and).

Extended data:

Word subscript shortcut key: subscript shortcut key combination Ctrl+=. Going into CO? , enter CO first, and then click the subscript combination key Ctrl+=, and the cursor becomes a subscript cursor. Enter 2 directly, and then press the key combination again to cancel the subscript input status. The key combination of superscript is the same as that of superscript, except that the key combination of superscript is Shift+Ctrl+=. After the input is completed, press the key combination again to cancel the input of superscript.