Focuses on human information processes and problem solving. Although a large body of knowledge is prerequisite to acquiring skill, the authors state that knowledge must be indexed by patterns that guide the person in a fraction of a second to relevant parts of the knowledge store. (Author/SA)

Discusses the changing nature of mathematics. Describes how computers, applications, and cross-fertilization have produced new methods, theories, and models in the mathematical sciences transforming it into a powerful collection of tools for science. (RT)