Simple calculator with the basic operations and an intuitive design.
Features:
- Looks like a real world calculator.
- Can handle 12 digits max to avoid overflow.
- Basic operations (+,-,*,/) but with the capacity to add more operations in the future.
- Full support for keyboard.
- Support for decimals and negative numbers.
- Round up numbers to 2 decimals so it doesn't overflow.
- Buttons to delete and clear the screen.
- Can chain operators so you can avoid having to push the equals button until the very end.