If you're looking for a simple and easy-to-use calculator for converting numbers between different number systems, then the Number Systems Calculator by Kozhevin Dmitry is worth checking out. This free Android app offers several useful functions, including the translation of integers from one notation to another number system, translation of binary numbers to Gray code, and translation from Gray code to binary.

One of the standout features of this calculator is its ability to translate binary numbers to Hamming code and vice versa. The app can even correct one error in the Hamming code and indicate the position of the error, making it a useful tool for those working with binary code. Overall, the Number Systems Calculator is a handy utility for anyone who needs to work with different number systems and wants a quick and easy way to convert between them.