Symbolics Inc, Cambridge, Massachusetts, yesterday duly announced its 80386-based co-processor board for its 3600-series workstations so that users can run Unix and MS-DOS in parallel with its proprietary symbolic processing operating system (CI No 721). The company accompanied the announcement with it new software environment that enables artificial intelligence applications developed on the 3600 family to be delivered on 80386-based personal computers. Other new products from the company are a C language software development environment, and a software link that creates a clear path to IBM mainframes. No details were given by Symbolics, which launched the products at the sixth American Association for Artificial Intelligence show, Seattle.