Multiline Calculator intuitive

Aug 1, 2017

:: Minor update 5 (1.5.4.5)
- Prevented crash by calling PIP mode
- Crash fix on In-App Purchase process
- Fixed display fault and crash fix when result has repeating decimal
- Update help description of Session and Instance item on Android 7.0 and later devices


:: Minor update 4 (1.5.4.4)
- Official support multi window on Android 7.0 and later devices
- Crash fixes

* No more support under Android 4.0 devices when v1.5.4 has applied MultiDex. that devices can install v1.5.3.1