Presented is a way to provide students with a review and an appreciation of the versatility of pointers in data structures by improvising with binary trees. Examples are described using the Pascal programing language. (KR)

Reviews three software programs: "Fraction Fuel-Up"; "Explorations in Chemistry"; and "Locus." Includes information on: instructional orientation, educational level, systems package, publisher, program description, strengths and weaknesses, applications, and recommendations for improvement. Includes a general critique statement in the summary…

Presents eight points to emphasize when teaching the concept of place value. Contends that converting numbers from one base to another helps students understand the concept of place value and the importance of context in establishing meaning. Provides a BASIC computer program to make conversions. (MDH)