For example, mathematical formulas can be found in the Formula Editor. According to the above, select Insert in the dialog box on the left-then find the formula editor in the dialog box on the right-drag it out directly and put it in the toolbar above, and then open it for use.
Some settings will not be available until WORD is completely installed.
Right-click the common toolbar and select Drawing in the dialog box, and the command diagram will be displayed in the status bar under WORD. Just choose what you want.