Tools for editing mathematical formulas in the computer include: the mathematical input panel, Word, Excel, etc. Here, take the mathematical input panel of win 10 system as an example to introduce the usage.

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.