Hi, as for note management on TI calculators. I recommend you to check out TINotes. Using an easy and friendly website, you are able to store organized notes in a folder system in their TI calculators for reference later. You can use the website to create files and folders and then TINotes will generate a script file for your TI calculators. You can easily send this file to your calculator and start viewing your notes. For detailed instructions, see the guide here.
Website interface:
Viewing notes on the calculator:
