Symbolics Ltd of High Wycombe has MacIvory Model 2, an upgraded version of its system for symbolic processing applications based on the Apple Mac II which, the company claims, enables Mac II to become an object-oriented software development environment for large-scale applications: Model 2 supports applications written in the proprietary Common Lisp, C, Fortran and Pascal, and is compatible with Symbolics 3600 Sereis and XL400 workstations, supporting the expert system environment Joshua, the hypertext facility Concordia and the object-oriented database management system Statice; the as yet unpriced upgrade package, available in July from Symbolics, includes MacIvory Model 2 processor, 8Mb of NuBus memory, the Genera operating environment and a keyboard overlay.