Effective, economical GD and T training on CD-ROM. Contains interactive lessons, technical animations, narration, 3D part drawings, course administration tools. Valuable for designers, engineers, and anyone who uses engineering drawings. The GD and T Trainer Professional Edition is a virtual classroom in the fundamentals of geometric dimensioning and tolerancing right on your desktop. It makes computer-based training more like classroom training with features like instant lesson feedback, technical animations that demonstrate concepts, and audio narration. It also includes over 100 author's comments that give tolerancing insights from course developer and ETI president, Alex Krulikowski. The GD and T Trainer features student-focused lessons, user-friendly navigation, and detailed full-color graphics. Other highlights include 3-D solid part examples, geometric control application and inspection examples, and a full glossary of GD and T terms. Course administration tools allow up to 2,000 student records and include a variety of advancements that make recording, accessing, and reporting student progress more manageable.