What is it about?
Some graphing programs are given.
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Why is it important?
The programs make the HP-28S calculator more user friendly.
Perspectives
This is very relevant to help make the calculator more user friendly.
Dr. Annie Selden
New Mexico State University
Read the Original
This page is a summary of: Graphing with the HP-28S, College Mathematics Journal, November 1989, Taylor & Francis,
DOI: 10.1080/07468342.1989.11973271.
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