Cập nhật vào ngày Dec 7, 2015
v2.0:
- added support for Android ICS (4.0.4)
- added sharing of values e.g. by email (either all or single value)
- entered values are now preserved when switching apps and then returning to this app
- all buttons can be now hidden (but functionality still accessible in the menu)
- updated default preferences
- fixed trailing zeros preference
- added new preference for running compute from virtual keyboard
- using virtual keyboard is now more convenient
- updated icons