Familiarity with computer aided design (CAD) is becoming essential in an increasing number of businesses and the Dublin Institute of Design is running a 12-week evening course (one night) on CAD 2D and CAD 3D. For details, phone (01) 679 0268. Also on offer for those needing business computing skills is the diploma in business computing from Griffith College, Dublin - phone (01) 454 5640 for information.