Date of Award/Publication


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MS in Mathematics, Science, and Technology Education


This research studies the use of the Conic Graphing App in three high school pre-calculus classes during the conic sections unit. The Conic Graphing App is an application on TI83/84 Plus calculator that provides a graph of circle, parabola, ellipse or hyperbola in a pre-determined window. The study collects data from four areas: instructional and testing materials, test result, survey completed by the target group, and observation in the classrooms. The results imply that the Conic Graphing App can help improve student achievement, especially among the low-ability students. The study suggests that how graphing calculators are being used in classrooms, and their effect on teaching and learning, depend on the teacher, the student-calculator relationship, and the instruction and assessment materials.

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