As the title suggests, I started with a week left I will know the results later, but if I were to leave a review based on the words of a major student, I would say that it is easy to understand because there are many problem-solving methods! The priming is easy to understand Disadvantages: It is annoying to download each PDF in each lecture (You can think of the PDF as just having codes, so you need to take notes) Some of the lecture materials are just texts, but they cannot be downloaded and you have to add them directly to the PDF to view them all at once They also uploaded a PDF summarizing the theory, but this is really… The texts uploaded as lecture materials and the PDF have slightly different contents (because they are not there), so it is annoying to have to take notes on this separately.