Reply To: Chemistry/physics symbol Home › Forums › Nemeth Code for Math and Science › Chemistry/physics symbol › Reply To: Chemistry/physics symbol July 14, 2010 at 8:50 pm #20400 Chris ClemensKeymaster The only other thing that I found in the Nemeth Code Book that could resemble an 8 turned sideways, with one end open is on page 23.The Greek lower-case alpha (ordinary lower-case a).