تحديث في 13/09/2015
v1.0.0.1
- added Pi and Square root function.
- added hint on first screen when it is empty.
v1.0.0.2
- fixed hiding the hint properly
v1.0.0.3
- changes so it can be calculated with the last result. (thanks sumeet)
- added CE and reordered buttons on last screen.
- added swipe up to restore last calculated result.
v1.0.0.4
- removed needless button.
- now using decimal separator from system language.
- fixed some small bugs.
v1.0.0.5
- added scrolling
