Suggested are features which should be considered before selecting a specific interactive graphics package. Features that allow for accurate estimates of roots of functions and solutions to systems of equations are illustrated. Six graphics packages are compared including display, tabular options, misleading graphics, printing options, functions…

Reviewed are two microcomputer software packages which may be useful in mathematics education: "Hands-On Math Volume 3," and "MathCAD 2.5." Listed are the educational level, hardware requirements, package contents, cost, and availability. Discussed are the functions, applications, strengths and weaknesses of each package. (CW)