; C+N+GEOMED,; GEOMETRIC EDITOR. C+N+MEM+III,; MEMORY AND III ROUTINES. C+N+IO,; INPUT-OUTPUT. ; C+N+WINGS,; WINGED EDGE SUBROUTINES. C+N+EULER,; EULER POLYHEDRON PRIMITIVES. C+N+BIN,; BODY INTERSECTION. C+N+EUCLID,; EUCLIDEAN TRANSFORMATIONS. ; C+N+VIEWER,; DISPLAY VIEW SUBROUTINES. C+N+OCCULT,; HIDDEN LINE ELIMINATION. C+N+LS,; LOCUS SOLVERS. TVRHDR[XGP,TVR]+TVHELP[XGP,TVR]; HELP ROUTINE