A number of microcomputer system characteristics are discussed and recommendations made that will help the educator in selecting a system. (MP)

Provides Terrapin LOGO programs that use graphic manipulatives--squares, logs, and units--to form the area of a rectangle as a graphical representation for any trinomial of the form: Axx + Bx + C. An important component is the connection of the procedural skill of trinomial factoring to the visualization of the accompanying rectangular displays.…

Discusses the dynamics and outcomes of an unplanned classroom activity that developed from the integration of the use of spreadsheets with the study of the characteristics of previously collected seashells, specifically their color, size, shape, texture, and any other obvious differences. (JJK)

Provides methods for cooperative, student investigation of weather data similar to methods currently used by atmospheric scientists. Utilizes spreadsheets to focus on the analysis and interpretation of wind frequency data for a small town in Oregon. (JJK)

Describes five studies which investigate the effectiveness of computer use: (1) cost effectiveness in elementary school mathematics; (2) evaluation of computer use in a college chemistry course; (3) evaluating science software; (4) computer-videotape instruction in junior-secondary level mathematics; and (5) comparing microcomputers and flash card…

Presents summaries of research studies related to instructional computer use: three compare word processed and handwritten text of students with and without learning disabilities; one compares student retrieval skills using print and electronic encyclopedias; and one examines computer use by math and science teachers via data from a U.S. national…