By late 1970, implementations existed for the Honeywell 635 and Honeywell 645, the IBM 360, the PDP-10, the TX-2, the CDC 6400, the UNIVAC 1108, the PDP-9, the KDF 9 and the Atlas 2.
W późnych latach 70. istniały implementacje dla Honeywell 635, Honeywell 645, IBM 360, PDP-10, TX-2, CDC-6400, UNIVAC 1108, PDP-9, KDF 9 i Atlas 2.