How to XOR two hexa numbers by hand fast - Cryptography Stack Exchange
Tool Slick - When in doubt, check the intermediate XOR results via Tool Slick's XOR Calculator - http://bit.ly/2q1HmLH. We even support multiple inputs! | Facebook
XOR Calculator - Tool Slick
XOR Calculator
GitHub - bryceparkman/16-Bit-Calculator: Calculator that uses strictly logic gates and recursion