Good interface, supports tablet only, would be nice to support phone version
Great scientific calculator function
1. Display '0' at start-up time.
2. Add an operator key name display at the top right corner.
3. Add an option to show functional operator or not.
4. Automatic scale screen display to fit any resolutions.
GST Calculator for all country with GST Tax Rates. Add or reduce GST from amount
Excellent scientific calculator with expressions, fractions, repeating decimals.