Reply To: Unidentified Greek Letter (in “echo”) Home › Forums › Braille Formats/Textbook › Unidentified Greek Letter (in “echo”) › Reply To: Unidentified Greek Letter (in “echo”) January 8, 2015 at 1:11 pm #22580 joannavenneriParticipant Lovely. Thank you for the quick and clear response, Joanna! –Kyle