Middle school and secondary mathematics teachers' (n=94) responses on the Attitude Instrument for Mathematics and Applied Technology were analyzed to determine relationships among personal philosophy, experience, and attitudes about calculator use. Interactions between mastery orientation (calculator use before versus after conceptual mastery) and…

This 2-year study involved 580 seventh- and eighth-grade students to determine the effects of a long-term professional development plan to integrate the Texas Instruments' Math Explorer calculators into mathematics teaching and learning and students', teachers', and parents' attitudes toward calculator use. Includes recommendations for practice…