subscript
The shortcut keys for the upper and lower corners are:
Upper corner marker: Ctrl
+
change
+
=
Bottom angle: Ctrl
+
+
=
The specific use method comprises the following steps:
First, the input method of superscript
1, select the text to be set as superscript;
2. At the same time, ammonium Ctrl+ Shift+=
combination key
, yes.
Second, the input method of subscripts
1, select the text to be set as subscript;
2. At the same time, ammonium Ctrl+= key combination is enough.