Student exploration at a secondary school level of fraction relationships using special graphs is described. (MP)

A program designed to tutor algebra students in inequalities is presented. The program is designed around the graphics of the Apple II computer, and randomly picks graphs, and shades inequalities. (MP)

Focuses on the development of graphing skills through a data collection activity that answers the question of the relationship between rubber band width and flight distance. Includes definitions of terms and instructions for helping students construct line and bar graphs. (DDR)

Discusses the interconnection among the various modes of the TI-92 calculator (geometry, data graphing, function graphing, and algebra) and how the power of visualization is extended to provide multiple approaches to complex problem situations. Provides a graphing problem with illustrations and results. (AIM)

Discusses gradebook programs, both for schools with electronic administrative programs and those without. Outlines problems and benefits of selected programs, focusing on intuitiveness (ease of use for those with little training); report generators and customization abilities; and graphing and attendance-keeping capabilities. (AEF)

Describes a titrator system, constructed from a computer-interfaced pH-meter, that was designed to increase student involvement in the process. Combines automatic data collection with real-time graphical display and interactive controls to focus attention on the process rather than on bits of data. Improves understanding of concepts and…

Presents a scenario in which two people solve a programming problem by discussing various number sequences and functions. The problem is redefined as one related to number theory and operations research. (DDR)

Graphs from media sources and questions developed from them can be used in the middle school mathematics classroom. Graphs depict storage temperature on a milk carton; air pressure measurements on a package of shock absorbers; sleep-wake patterns of an infant; a dog's breathing patterns; and the angle, velocity, and radius of a leaning bicyclist…

Reports on a project in which a 6th grade class determined the type of trash being thrown away on their school grounds through data collection, analysis, and graphing. (YDS)

The focus of these four activities is on gathering, using and interpreting data about bicycles as a basis for integrating mathematics. Measurement, ratios, and other relationships are explored through making graphs, finding bicycling speeds and a parent-involvement activity sheet. (CW)

A strong relationship between staff morale and quality of reference service is suggested by this preliminary study of 37 public library reference department staff members, with further study recommended. Other factors studied included rapport with unit heads, patron relations, group cohesion, and work environment. (53 references) (EAM)

Presented are two exercises on the differential geometry of curves. A generalization dealing with smoothness conditions is given that relates the two exercises. Included are the definitions, theorems, propositions, and proofs. (KR)

Described is computational geometry which used concepts and results from classical geometry, topology, combinatorics, as well as standard algorithmic techniques such as sorting and searching, graph manipulations, and linear programing. Also included are special techniques and paradigms. (KR)

Presents problems focusing on multiple representations of a function to develop students' ability to translate tabular, symbolic, and graphical representations. Indicates needed materials, objectives, prerequisites, directions, and answers. (YP)

The agreement between visual analysis and the results of the split-middle method of trend estimation was examined using a set of 24 stimulus graphs and 30 raters. Results revealed poor agreement between the two methods, and low sensitivity, specificity, and predictive ability for visual analysis in relation to statistical inferences. (JDD)