/GFORMAT, Ftype, NWIDTH, DSIGNF
Specifies the format for the graphical display of numbers.
FtypeFORTRAN format types (G is the default if this field is left blank.)
G  | —  | G  | 
F  | —  | F  | 
E  | —  | E  | 
NWIDTHTotal width (12 maximum) of the field (the xx in Ftype).
 Defaults to 12.
DSIGNFNumber of digits after the decimal point (yy in
F or E format) or number of significant digits in G format.  Range is 1 to xx-6 for Ftype = G or
E; and 0 to xx-3 for Ftype =
F.  The default is a function of Ftype and NWIDTH.