I wrote a command line program in C that calculates a screen’s pixel density in Pixels Per Inch for you, by having you enter the display resolution and screen size.

http://www.mediafire.com/download/9azl1c0ahbke0my/PPI_Calculator_Mac
Tweak the World.
I wrote a command line program in C that calculates a screen’s pixel density in Pixels Per Inch for you, by having you enter the display resolution and screen size.

http://www.mediafire.com/download/9azl1c0ahbke0my/PPI_Calculator_Mac