* On the top screen, you can see a graph showing the total data recorded so far and a list of individual data. When the application is launched for the first time, sample data is entered.
* Individual data (including sample data) can be deleted by swiping left.
* Tap the add icon in the upper right corner of the home screen to go to the above screen
* Fill in the title, time, date, and category, and tap Save to add data (an error message will appear if any item is not filled in).
* When new data is saved, it is added to the home screen.
* Saved data will be aggregated by category and displayed at the top. You can intuitively grasp how you use your time not only by the numbers, but also by the graphs.