(JOss) An early, simple, interactive calculator language developed by Charles L. Baker at Rand in 1964. There were two versions: JOss I and JOss II. [Connection with Johnniac?] ["JOss Users' Reference Manual", R.L. Clark, Report F-1535/9, RAND Corp (Jan 1975)]. [sammet 1969, pp. 217-226]. (2004-07-11)