1. Click the Start menu and find windows? Attachment, and then find the math input panel, click open:
2. Open the interface as shown in the figure below:
3. Write the required formula in the interface with the mouse, taking "y=ax+b" as an example. As shown in the figure:
4. Then open a Word document, click Insert in the math input panel, and the formula will be input into the Word document. As shown in the figure:
Edit the formula through the above steps.