Reply To: Floating operators Home › Forums › Nemeth Code for Math and Science › Floating operators › Reply To: Floating operators February 18, 2010 at 11:25 am #20206 Chris ClemensKeymaster There is no provision in the Nemeth Code for this use of the multipurpose indicator. I would just braille the operation signs as they are. Context will make it clear that these are operation signs. I question why you used "numbers" k-r in your number key. It is allowable to have numbers 11-19 in the key.