Workbook contains some features that take advantage of improved touch functionality in Windows 7, Windows 8 and Windows 10 (specifically, multiple simultaneous touch reporting, gestures such as puinch-scale and rotate, and scroll). For this reason some features will not be available on older versions of Windows.
Workbook's open-hand-erase functionality requires the touch deevice to report touch size in the prescribed manner. If it does not then the touch size will not be detected and Workbook will not initiate an eraser for open hand touches.
Categories: Workbook / AlphaTeach.