Texas Instruments Inc and IntelliCorp have signed a co-operative marketing agreement on knowledge-based delivery systems for developers of artificial intelligence applications. The pair will join in marketing Texas Instruments’ microExplorer – an Apple Macintosh II with Lisp co-processsor – with IntelliCorp’s Knowledge Engineering Environment; developers will get 33% off the KEE software and 20% off the microExplorer, and three months of on-line support for KEE and one copy of the KEE primer from IntelliCorp – provided they buy by March 31; run-time versions of KEE will be also be offered by IntelliCorp at 10% off. Discounts are on $30,000 for KEE, $5,000 for run-time versions, $16,000 to $29,550 for microExplorers.