GoodCalc - simple calculator

GoodCalc is a small and beautiful calculator:

1. No ads
2. Real-time calculation results
3. Display the input process
4. Unlimited History

5. Quick start
6. Backspace to delete
7. Keyboard vibration
8. Keyboard sound

9. Set the number of decimal places
10. Show/hide separators
11. Scientific Calculator
12. Fraction Calculator