- Binary, inverse and complement codes
Binary, one's complement (inverse) and two's complement codes (calculator was created by user's request)

This calculator supports common mathematical operations over binary numbers

- Conversion between two numeral systems
This calculator converts number from one numeral system to another, given both system's bases

- Conversion of fractional numbers between numeral systems
This online calculator helps to convert fractional number in one numeral system to fractional number in other numeral system.