TI-Nspire Calculators: Better but Still Not Perfect

Texas Instruments calculators are ubiquitous in today's K-16 mathematics classrooms, so mathematics instructors must understand the necessary programming limitations of each calculator. Previous generations of TI graphing calculators (the TI-89 and TI-92 calculators) produced some graphical and...

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Bibliographic Details
Published in:The Mathematics teacher 2009-02, Vol.102 (6), p.464-467
Main Authors: Bossé, Michael J., Adu-Gyamfi, Kwaku, Lynch-Davis, Kathleen, Driskell, Shannon
Format: Article
Language:English
Subjects:
Calculators
College mathematics
Computer programming
Computer software
Educational technology
Graph theory
Graphs
Mathematical expressions
Mathematical functions
Mathematics education
Mathematics teachers
Technology
Technology Tips
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Summary:Texas Instruments calculators are ubiquitous in today's K-16 mathematics classrooms, so mathematics instructors must understand the necessary programming limitations of each calculator. Previous generations of TI graphing calculators (the TI-89 and TI-92 calculators) produced some graphical and symbolic errors. Fortunately, TI has now remedied most of these errors in its new graphing calculators, the TI-Nspire and the TI-Nspire CAS. Here, Bosse and Adu-Gyamfi discuss some functions that previously did not graph correctly on the TI-89 and TI-92 because of programming constraints, some functions that still do not graph correctly on the TI-Nspire, and improvements in how the TI-Nspire CAS handles the rewriting of symbolic expressions.
ISSN:0025-5769
2330-0582