Piston Speed Calculator helps you to calculate the speed of a piston on the upward and downward travel within the engine by entering the given engine stroke in either millimeters or inches, and the engine RPM.
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.
coarse (network-based) location
Access coarse location sources such as the cellular network database to determine an approximate phone location, where available. Malicious applications can use this to determine approximately where you are.