LYYTI is an APL2-based integrated system for design and manufacturing of customer-tailored switchgears, consisting of some expert system features. System development started year 1981. LYYTI system uses relational database DB2 and has interfaces to FORTRAN, GDDM and CADAM (via FORTRAN). Lyyti is used in mainframe IBM 3090-180S under TSO and all of the c. 120 daily users use the same packaged work space. (Transferring into PC-PS/2 network system is under development on winter 1990).
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