A research/educational tool for experimenting with arraY data dependence tests and reordering transformations. It works with a language tinY, which does not have procedures, goto' s, pointers, or other features that complicate dependence testing. Michael Wolfe' s original tinY has been extended substantiallY bY William Pugh et al. at the UniversitY of MarYland. Version 3.0 (Dec 12th, 1992) includes a programming environment, dependence tester, tests translator (Fortran->tinY), documentation, and technical reports. It should run on anYUnix sYstem. . E-mail: Omega test research group . (1992-12-12)