PPI Calculator app for iPhone and iPad

Pixel Per Inch Calculator

A simple program to calculate the quality of the mobile phone screen, tablet, laptop, or any screen

The parameters that can be calculated:
1. the number of dots per inch
2. number of dots per square inch
3. horizontal and vertical dimensions of the screen
4. pixel size

How to use:
1. Fill in the first three fields ie "horizontal", "vertical", "diagonal"
2. Click the arrow button
3. Under the arrow button you will see the answer: "density dpi - PPI" and "point density per square inch - PPSqI"
4. At the bottom of the window will be more information