Before I purchase this, I need to know how to change the scale accurately.
You can use
View | Zoom In, Zoom Out and Zoom Level
You can also change the scale with the mouse:
Settings | User settings | View tab
Mouse wheel
Action = Zoom
Multi-page viewer, editor and converter (TIF, PDF, etc.)
Before I purchase this, I need to know how to change the scale accurately.
You can use
View | Zoom In, Zoom Out and Zoom Level
You can also change the scale with the mouse:
Settings | User settings | View tab
Mouse wheel
Action = Zoom