The Dictionary master files were initially compiled on an Olivetti P6060 microcomputer and are now stored on a Hewlett-Packard 1000 minicomputer, both under the control of the NITRR Computer Services Group. Dr M E Szendrei, his successor Mr R D Williams, and their staff have made the compilers' work many times easier. NITRR Technical Report RX/6/84 describes the computing process in detail.