Converting advanced mathematics into electronic textbooks requires a PDF converter. The specific operation steps are as follows:

1. Enter PDF converter official website, download and install.

2. Open the software and select the pdf textbook of Advanced Mathematics.

3. Click and drag the batch file of electronic teaching materials you want to convert, and click Add Folder at the bottom of the interface.

4. In the folder, click Start Conversion to complete the conversion.

5. The electronic version of the textbook is to show the written content in the form of pictures, and realize online teaching.