2. Open the word document by desktop shortcut or search. Click the word document whose font size needs to be changed in the formula editor on the right side of the interface to be opened later. In the next interface, click the letter entered in the input box of the formula editor to make it in editing status, and then select the letter to be resized.
3. Open the Word software and work out the formula; Select the Formula Editor and double-click it; The formula editor will enter the state of modifying and editing, and perform menu operations: size → define; At this time, the Modify dialog box will pop up, and you can make corresponding modifications.
4. Select the Formula Editor, select it, and then double-click. After double-clicking, the formula editor will enter the editing status. At this time, you can see that the menu in the word window has changed. Now, as shown above, perform the menu operation: Size → Definition. The following dialog box pops up.