I don’t know if this is helpful but there’s a website that helps you with calculating your course grades, maybe you can use it to double check your maths. Source: about 2 years ago

This is a project where you take multiple inputs from the user and add them to a database of some sort. Daybook is a good example of what you're going to build. Now you can build this in many different ways. I'm going to outline the path I would personally take. As for the database, there are many options, personally, I'd go with Supabase but feel free to use whatever you are comfortable with. - Source: dev.to / over 1 year ago

I've also tried a similar journaling app called Daybook , it offers for free multi-platform auto-sync (my first concern), offline mode and a dedicated mobile app. You can add images (but with a low resolution on the free plan), but no text formatting options. It's very simple and minimal. I didn't like the fact that you can download all your entries only in csv format, which is unreadable by a human (but you can... Source: about 2 years ago