Numix: number base operations

Numix is an app that offers a number base converter and a calculator to do mathematical operations on numbers with different bases.

Number base converter:
- Conversion between different number systems(bases), including binary, 
  octal, decimal, hexadecimal.
- You can choose a custom base to convert to and from

Number base calculator:
- Mathematical operations on numbers with different bases.
- Operations include: Addition, subtraction, multiplication, division.
- You can choose custom number bases.