The Protractor application is a handy tool to measure an angle over the iPhones camera image.
When youre cutting the cake equally into pieces in front of your friends and children, this application is for you.
[System Requirement]
1) iPhone with builtin camera
2) iPhone OS 3.1.2 or later
[Usage]
Launching the Protractor application, the camera appears.
The slider is available to adjust the highlighted angles.
The upper-right number shows the value of angles in degrees.
To quit the application, press the HOME button on the iPhone.