ماشین حساب MobiCalc

- Ability to select digit grouping method (including Indian and Japanese)
- Statistics for expression (long tap on result bar)
- Arccotangent function
- Autocomplete (by [=]) expression with * or + operators at the end
- Ability to change language of UI
- Ability to save number from memory (M+, MR) to history
- Removed auto replacement [%] button, use Customizable buttons instead
- Other small improvements and fixes