Below is a listing of COMMON /PLTR/, it may be included in programs
 by using the UNSAVE command in EDI on file [4,4]PLTR.CMN.
 
	COMMON /PLTR/ ILun,IDev,IsTerm,IMode,IXMax,IYmax,
	1  Cnvrsn,CMag,CnvMag,IX0,IY0,KSetNo,IFancy,IBfDv3,
	1  CSize,DeltaH,DeltaV,Upsiln,CosUP,SinUP
 
 The definition of a variable can be obtained by typing HELP MYLIB
 COMMON "variable name".
3 ILUN
 ILun - Plotter logical unit number.
3 IDEV
 IDev - Plotter device type code.
        IDev = 0, non-plotting device
               1, Tektronics 4010
               2, Tektronics 4014
               3, Tektronics 4662
               4, Tektronics 4025
3 ISTERM
 IsTerm - Terminal number.
3 IMODE
 IMode - Plot mode flag.  The plotter is in
         the plot mode if non-zero.
3 IXMAX
 IXMax - Maximum X screen coordinate.
3 IYMAX
 IYMax - Maximum Y screen coordinate.
3 CNVRSN
 Cnvrsn - Conversion factor. (Screen coordinates/
          True inches)
3 CMAG
 CMag - Magnification factor.
3 CNVMAG
 CnvMag - Conversion factor.  CnvMag = Cnvrsn*Cmag
          (Screen coordinates/Scale inches)
3 IX0
 IX0 - Screen coordinate of the X relocatable
       origin.
3 IY0
 IY0 - Screen coordinate of the Y relocatable
       origin.
3 KSETNO
 KSetNo - Character set number.
        = 0, Terminal characters.
	  3, Simplex Roman
	  4, Simplex Greek
	  5, Duplex Roman
	  6, Complex Roman
	  7, Complex Greek
	  8, Complex Italic
	  9, Special and Math characters, single sequence access.
	  10(M), Math and special characters
	  11(G), Gothic English
	  12(W), Simplex Script
	  13, Complex Script
	  14, Gothic Italian
	  15, Gothic German
	  16, Cyrillic
	  17, Triplex Roman
	  18, Triplex Italic
	  20, Miscellaneous characters.
3 IFANCY
 IFancy - Special features enabled when bit set. 
        = 1, Don't erase screen.
        = 2, Don't reset magnification or character size or
             orientation.
        = 4, Don't reset origin.
	= 10, Terminal not file.
        = 100000, Character generating task has been requested.
3 IBFDV3
 IBfDv3 - Number of bytes remaining in input buffer of a Tektronix
          4662 (IDev = 3).
3 CSIZE
 CSize - Character height.  (Scale inches)
3 DELTAH
 DeltaH - Depth of a line feed.  (Scale inches)
3 DELTAV
 DeltaV - Width of a space.  (Scale inches)
3 UPSILN
 Upsiln - Character angle.  (Degrees)
3 COSUP
 CosUp - COS( Upsiln*Pi/180. )
3 SINUP
 SinUp - SIN( Upsiln*Pi/180. )