This book and three accompanying floppy disks introduce HyperCard 2.1 for the Macintosh microcomputer and its programming component, HyperTalk, to educators. The first four chapters introduce the basics of HyperCard, including its structure, which is based on a hierarchy of units; the use of tools and graphics; and ways of linking information…

Graphs equations in two variables using a BASIC screen-sweep program that generates solutions to equations by applying the intermediate value theorem. Provides suggestions for investigations that result in graphs of a butterfly, the Cheshire cat, the Trisectrix of Catalna, E. T. waving goodbye, a praying mantis, and others. (MDH)

Describes MARC bibliographic records and presents conversion procedures for microcomputer database programs. Highlights include database design in dBase; format translation programs in BASIC; translating MARC into a delimited record; and writing records from dBase to a delimited file. Five programs are appended. (Contains nine references.) (LRW)