1. Polytechnic' s Instructional Language for Educators. Similar in use to an enhanced PILOT, but structurally more like Pascal with Awk-like associative arrays (optionally stored on disk). Distributed to about 50 sites by Initial Teaching Alphabet Foundation for Apple II and CP/M. ["A Universal Computer Aided Instruction System," henry G. Dietz & Ronald J Juels, Proc Natl Educ Computing Conf ' 83, pp.279-282]. 2. ["PILE _ A Language for Sound Synthesis", P. Berg, Computer Music Journal 3.1, 1979]. (1999-06-04)