Thank you for the links. I will check it out. About the note-taking app, I want to be able to create notes but in the Question/Answer format. The reason for thi

Thank you for the links. I will check it out. About the note-taking app, I want to be able to create notes but in the Question/Answer format. The reason for this is I want to review the questions from time to time and see if I can still answer them, so the answer part needs to be somehow collapsed. It is kind of a flashcard, but with multiple related questions and quite complex information.