Reply To: per-mille Home › Forums › Braille Formats/Textbook › per-mille › Reply To: per-mille September 5, 2013 at 5:47 pm #22203 joannavenneriParticipant I don't know what you mean by "per-mile" sign. There is no specific sign for that. Do you mean that slash? Can you send me an example of what this per mile looks like in print? --Joanna