Reply To: Double Strike R Home › Forums › Nemeth Code for Math and Science › Double Strike R › Reply To: Double Strike R February 11, 2015 at 9:24 pm #22625 dworthingParticipant There is no listed nemeth symbol for that R. I hope that I am picturing the same thing you are asking about. I think generally a script R is used. The text would have defined what it represents.