- android.permission.INTERNET
- android.permission.ACCESS_NETWORK_STATE
- com.google.android.c2dm.permission.RECEIVE
- android.permission.WAKE_LOCK
- android.permission.GET_ACCOUNTS
- android.permission.USE_CREDENTIALS
Feb 8, 2017
- Improved interface.
- Text to speech (problem guide).
- Propose your figures to make an square root, on your own or in group.