Scripts of our videos illustrated with images. These PDF files serve as lecture/study notes, and are perfect for a quick review. They can also be used in school works/projects. Available under  "Individual license" for individual students; and "Teacher's license" for teachers to distribute to up to 100 of their students. Link to the respective video is provided for information purpose. We are actively adding new PDFs regularly, so be sure to check back for more. You can also contact us to request PDF for our existing videos.