GST Calculator pro

This is a Business calculator with check and correct functionalities. Sometimes this is refered as "Check and Correct calculator".
This calculator has Indian number system comma placements to show place values. It has retro citizen calculator looks.
The features include,
* Swipe to view calculation list or options
* Save and load
* Share calculation
* GST calculator
* Option to remove GST calculator
* All existing themes have GST tax calculator