New version with a very sexy dark mode: D!
You can calculate your average! Just add the partial notes, and if you only include the percentage of the exam, I calculate the minimum grade you must obtain to pass the course :).

Further:
Now you can export and share the Scales to PDF
It is added in this version:
- Improved design
- Possibility of adding approval note
- You can zoom in on the Scale
- You can select immediately if you want to see the scale in one or two columns.
- Improvement in support for low resolution devices.

Additional characteristics:

- Support of decimals
- Possibility to select the increase of the Scale.
- Possibility of selecting the number of columns in the generation of the scale of notes
 -Possibility to save the application on the SD card.
- Possibility of selecting the size of the letter in the generation of the scale.
- Possibility to save your scales and set by default.
Renovated design much more modern.

Thank you very much for the trust and the thousands of downloads!