1. Add a new folder resource in Basic Calculus:

Details for folder resource to be added:

Name: Reference Material
Description: Check this folder for additional reference material
Display description on course page: Checked

2.Add the reference files from the File Manager in the "Content" text area

Go to Server files in the File Picker
Select the 3 reference files.Select "Create an alias/shortcut to the file" when inserting the files.

3. Click on Save and display when done.