All desktop apps now support a native drawing feature, similar to drawing mode in the mobile apps.
The drawing feature can be used with your trackpad, an external pen tablet, or with a touchscreen laptop. You can use drawing mode to digitize handwritten equations, text, tables, and chemical diagrams into LaTeX, MS Word, and other formats for creating technical documents.
In the example below, we used drawing mode on a Windows Surface touchscreen laptop:
We also recommend using external pen tablets like the Wacom Intuos. To make the integration even better, be sure to go into your pen tablet settings and map the coordinates of your pad when using the app to the size of the drawing mode screen: