- Binary numbers calculator
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

This online calculator supports simple math (addition, subtraction, division, multiplication and power) for numbers expressed in any numeral system - binary, octal, hexadecimal, from the base 2 to base 36

- Conversion of decimal number to other notations
This calculator converts decimal number to binary, hexadecimal and octal notations