It would be silly to have a review of graphic packages without at least one real hard-line program.
This BBC disc or cassette pack is the real thing. Far more complex than the other programs, but a must for graphics freaks into zooms, x/y/z lines and perspective with hidden line erasing. Easy to program using a sort of FORTRAN, I think. It is a joy to use and very powerful. Nice stored graphics and lettering too.