This reminds me of the story of ancient Ethiopians using binary maths. I read about it a while back and finally managed to track it down (the original link seem

This reminds me of the story of ancient Ethiopians using binary maths. I read about it a while back and finally managed to track it down (the original link seems dead): https://web.archive.org/web/20170609082700/http://www.uh.edu/engines/epi504.htm https://web.archive.org/web/20170609082700/http://www.uh.edu...