Reply To: italic type Home › Forums › Nemeth Code for Math and Science › italic type › Reply To: italic type October 19, 2010 at 9:26 am #20516 Chris ClemensKeymaster Hi Barbara. Sorry I dropped the ball on this one. If "arctan" is an abbreviated function name, the punctuation indicator would be required. So I would consider it a math expression and would use the open and close italic indicators.