Discusses the need for adequate student user manuals for computer software and presents guidelines to help teachers develop these manuals. The sections that a student manual should contain are outlined, including objectives, pretests and posttests for self-evaluation, and worksheets; and examples are given for further clarification. (LRW)

Describes a study of second graders that was conducted to investigate the use of microcomputer-based software to teach line graph production and interpretation. Abstract concepts between time and distance relationships are discussed, and transfer of skills to other types of graphs on paper are examined. (LRW)

Discussion of elementary school mathematics instruction focuses on computer graphing programs to teach subtraction that use pictorial representations as well as graphs. Classroom graphing activities for first graders are described, and evaluations of student progress based on pre- and posttests are discussed. (two references) (LRW)