Reactions to John Monaghan's "Computer Algebra, Instrumentation and the Anthropological Approach" focus on a variety of issues related to the ergonomic approach (instrumentation) and anthropological approach to mathematical activity and practice. These include uses of the term technique; several possibilities for integration of the two approaches;…

Three learning concepts important for adult learners are that learning is accelerated by making connections to prior information, people learn best when actively constructing knowledge, and instruments are important in supporting knowledge retrieval and construction. The paper explains how index cards can be useful instruments in learning. (SM)

Discussed is the integration of microcomputers into the science laboratory curriculum. The approach provides an exposure to important aspects of computer technology while preserving concrete experiences provided by hands-on laboratories. (CW)

Defines musical improvisation as taking place when a musician's aural and technical facilities combine to create a spontaneous form of musical expression. Discusses the use of improvisation as a means of enhancing student interest and performance. Includes a six-step approach for teaching musical improvisation. (CFR)