Offers an alternative to kymography systems for undergraduates in physiology courses. Explains how an easy-to-build transducer can be used for recording diverse physiological phenomena. Reviews the theory of transducer function and explains the performance of the microcomputer kymography. (ML)

Explains how self-produced software can be used to perform rapid number analysis or number-crunching duties in geology classes. Reviews programs in mineralogy and petrology and identifies areas in geology where computers can be used effectively. Discusses the advantages and benefits of integrating department-generated software into a geology…

Discusses the various needs of chemistry classes in community colleges. Describes a tutorial package using computers. Reports the students' verbal evaluations and a drop in the dropout rate. (YP)