Convenient scratch paper

This is a convenient draft paper that you can carry with you!
Record your inspirations and ideas, or perform mathematical formula calculations in drafts to avoid wasting paper.
Other than that it can be a simple handwritten notebook.
It can also be a simple artboard when you are bored.
Maybe you can also use it as a memo?
More interesting ways to use are waiting for you to discover!
The main function:
- You can change the brush color and brush thickness.
- You can undo the action or erase all the actions you have done on the draft.
- Drafts can be recorded in the history for easy viewing.

contact us ： keckfvubky@zoho.com