2. The toolbar in 2.word has a special symbol "insert".
3. In the input method, in the intelligent ABC, v+6 is a Greek letter, and the rest+1, +2, +3...+9 are defined.
4. If the input method is sogou, it will be faster, or directly click on the soft keyboard and right-click to select Input.
5.WPS also has the function of inserting "symbol": "Insert-symbol", select "Song Style", and filter the required mathematical symbols by yourself.
6. In fact, most input methods have soft keyboards. You can open the "Mathematical Symbol" in the "Soft Keyboard", and you should be able to find the root symbol and semicolon you need.
7. If there is nothing you need on the soft keyboard, you can use the user-defined phrase function of the input method to save the symbols found in the first method in the form of "a phrase" and output them conveniently when necessary.