Reply To: Grade 1 symbol for variables Home › Forums › Unified English Braille Technical › Grade 1 symbol for variables › Reply To: Grade 1 symbol for variables July 1, 2021 at 5:16 pm #37668 kdejuteModerator Julia, Thank you for the question and for sharing a sample. You are correct that a letter standing alone outside of a grade 1 passage needs a grade 1 symbol indicator so that it cannot be misread as an alphabetic wordsign. –Kyle