C ELM17A              TYPE 17   SECOND ORDER CALCULATIONS
C
C NORD1      ORDER TO WHICH TRANSFER MATRICES ARE COMPUTED
C NORD2      ORDER TO WHICH TRANSFER MATRICES ARE ACCUMULATED
C NORD3      ORDER TO WHICH TRANSFER MATRICES ARE DISPLAYED
C NORDX      SECOND PHYSICAL PARAMETER ON 17. CARD LAST UPDATE OR 
C                   BEGINNING OF SYSTEM.
C LINEAR     TELLS IF FITTING PROBLEM IS LINEAR
C
      LOGICAL         LINEAR
      INTEGER         NORD1, NORD2, NORD3, NORDX
C
      COMMON /ELM17A/ NORD1, NORD2, NORD3, NORDX, LINEAR