Changes to students' understanding of mathematical notation may be brought about by using technology within mathematics. Taking equality as a case study, the paper provides brief epistemological, historical, didactical, and computational reviews of its symbolic representation in pen-and-paper and technology-assisted mathematics, most especially in…

Algebra uses symbols for generalizing arithmetic. These symbols have different meanings and interpretations in different situations. Students have different perceptions about these symbols, letters and signs. Despite the vast research by on the students' difficulties in understanding letters in Algebra, the overall image that emerges from the…

Five adult students of various ethnic backgrounds, each deaf or hard-of hearing and blind or visually impaired, participated in testing a newly designed assistance card for soliciting help crossing the street. Results indicated that with the new card 101 pedestrians out of 183 offered assistance. (Contains references.) (CR)

Since 1969 the Insurance Institute of Highway Safety has concentrated on researching, demonstrating, and communicating to the public methods of reducing highway losses. The Institute has established a framework to classify the nature of each kind of loss (human, vehicle and equipment, and environment) in relation to the three phases of the crash…