Also, this only helps apps that become blurry after a change to the display scale factor of the main / primary display. (blogs.windows.com)
It begins with resources that set the context at the national scale and then starts to delve deeper at local scale factors where the spatial distribution of elderly impacts both rural and urban areas. (thinkib.net)
The first 4 pages contain all positive scale factors (one is a fraction but hey, the principles are the same). (tes.com)