Reply To: letter sign Home › Forums › Nemeth Code for Math and Science › letter sign › Reply To: letter sign October 20, 2009 at 9:34 pm #20060 Chris ClemensKeymaster The English letter indicator is needed in all instances you have shown except for the V (if it is a variable). The other letters are all single letter abbreviations which require the ELI (even those with squares or cubes attached)