Graphics software can assist hearing-impaired students in visualizing and comparing ideas and can also demonstrate spatial relations and encourage creativity. Teachers and students can create and present data, diagrams, drawings, or charts quickly and accurately. (Author/CL)

Presents a laboratory exercise designed to introduce graphical extrapolation. Major advantages of the method are in its simplicity and speed. The only measuring devices are a centimeter ruler and a micrometer caliper to check wall thickness. (JN)

Graphing skills are growing in importance in our information society, presenting facts and concepts in newspapers, magazines, and on television. Graphs incorporated into teaching develop children's problem-solving skills. Ways to use graphs in the classroom are discussed, and examples are given. (MT)

A report of research on children's difficulties in learning the concept of function. (MM)