Reply To: 2nd grade math Egyptian numerals Home › Forums › Nemeth Code for Math and Science › 2nd grade math Egyptian numerals › Reply To: 2nd grade math Egyptian numerals March 23, 2011 at 2:38 pm #20771 dworthingParticipant On the APH website (code books and instruction materials): Addendum 1 to the Nemeth Code for Mathematics and Science Notation, 1972 Revision: Ancient Numeration Systems: PrintCatalog Number: 7-68654-00Format: Regular Print Price: $5.00