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Using Linear Algebra to Introduce Computer Algebra, Numerical Analysis, Data Structures and Algorithms (and To Teach Linear Algebra, Too).
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Gonzalez-Vega, Laureano – International Journal of Computer Algebra in Mathematics Education, 1999
Using a Computer Algebra System (CAS) to help with the teaching of an elementary course in linear algebra can be one way to introduce computer algebra, numerical analysis, data structures, and algorithms. Highlights the advantages and disadvantages of this approach to the teaching of linear algebra. (Author/MM)
Descriptors: Computer Uses in Education, Course Descriptions, Graphing Calculators, Higher Education
The Teacher, the Task and the Tool: The Emergence of Classroom Norms.
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Doerr, Helen M.; Zangor, Roxana – International Journal of Computer Algebra in Mathematics Education, 1999
Reports the results of a qualitative, classroom-based study on the interactions between the role, knowledge, and beliefs of the teacher; the mathematical tasks; and the patterns of graphing calculator use by a group of pre-calculus students. Describes the development of a set of norms that governed the ways in which the tool was used in the…
Descriptors: Classroom Environment, Computer Uses in Education, Graphing Calculators, Mathematics Education
Implementing Linear Algebra Related Algorithms on the TI-92+ Calculator.
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Alexopoulos, John; Abraham, Paul – International Journal of Computer Algebra in Mathematics Education, 2001
Demonstrates a less utilized feature of the TI-92+: its natural and powerful programming language. Shows how to implement several linear algebra related algorithms including the Gram-Schmidt process, Least Squares Approximations, Wronskians, Cholesky Decompositions, and Generalized Linear Least Square Approximations with QR Decompositions.…
Descriptors: Computer Uses in Education, Graphing Calculators, Higher Education, Mathematics Education
The Effects of Hand-Held CAS on Student Achievement in a First Year College Core Calculus Sequence.
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Connors, Mary Ann; Snook, Kathleen G. – International Journal of Computer Algebra in Mathematics Education, 2001
Investigates the impact of the TI-89 hand-held Computer Algebra System (CAS) on student achievement in a first year college core calculus course. Analyzes data from an experimental study conducted at the United States Military Academy at West Point from 1998-2000. Results indicate that the TI-89 hand-held CAS experimental group attained a higher…
Descriptors: Calculus, Computer Uses in Education, Graphing Calculators, Higher Education
Teaching with CAS in a Time of Transition.
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Stacey, Kaye; Kendal, Margaret; Pierce, Robyn – International Journal of Computer Algebra in Mathematics Education, 2002
Describes the different ways in which two pioneering Australian teachers adapted their teaching to use computer algebra systems (CAS). One teacher used CAS with the primary goal of increasing understanding but restricted student use. The other teacher adopted CAS as an extra technique for solving standard problems, emphasizing time saving routines…
Descriptors: Computer Uses in Education, Graphing Calculators, Mathematics Education, Problem Solving
Should Iteration and Recursion Be Part of the Secondary Student's Mathematics Toolbox?
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Quesada, Antonio – International Journal of Computer Algebra in Mathematics Education, 1999
Presents examples to illustrate that iteration and recursion are useful pedagogical tools that can be used in many areas of mathematics, make models traditionally taught in upper levels accessible in grades 9-14, and provide alternative problem solving approaches less dependent upon ready-made formulas. (Author/MM)
Descriptors: Computer Uses in Education, Graphing Calculators, Higher Education, Mathematics Activities
A Large-Scale Study Clarifying the Roles of the TI-92 and Instructional Format on Student Success in Calculus.
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Keller, Brian; Russell, Chris; Thompson, Heather – International Journal of Computer Algebra in Mathematics Education, 1999
Reports on a study replicating and extending a previous study examining the effects of the TI-92 graphics calculator and calculus instruction on students' success in calculus. Finds that students using a TI-92 had significantly better performance on the final exam and overall course grade than students using other calculators, and student-centered…
Descriptors: Academic Achievement, Calculus, Computer Uses in Education, Graphing Calculators