For a deeper look into the software's application and performance, you can reference these types of "papers" and technical guides:
Built on the IntelliCAD 8.4a/b engine , providing native support for DWG and DXF files from version R2.5 to 2018/2019 [13, 22]. actcad 2019
ActCAD 2019 refined its dynamic input features. This allows users to enter commands and dimensions directly at the cursor point on the screen, rather than looking back and forth between the mouse and the command line. This feature drastically increases drafting speed and accuracy. For a deeper look into the software's application
Includes an image-to-vector (DXF) converter , a high-resolution PDF printer, and a PDF-to-DWG editor [22, 25]. a high-resolution PDF printer
Best for budget-conscious professionals and small firms who need native .dwg compatibility without the recurring AutoCAD subscription fees.