Subject:   -22- What version of IRIS Inventor runs on which version of
                IRIX?
Date: 30 Apr 1994 15:45:00 CDT

  IRIX      IRIS Inventor Version
  --------------------------------
  3.3.*   | (Inventor is not available for IRIX 3.*)
  4.0.*   | 1.0.1
  5.0.1   | (bad release... do not use)
  5.1.*   | 1.1.2
  5.2.*   | Open Inventor 2.0 (1.1.2 on VGX(T)/GT(X)/PI)