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Topic:  Hard to figure out... 
Related Item:  http://mathforum.org/mathtools/tool/1004/ 
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Subject:  Hard to figure out... 
Author:  Michael McKelvey 
Date:  Feb 25 2004 
http://www.ies.co.jp/math/java/calc/perime/perime.html
This little applet seems like it has so much potential, yet it suffers from
withholding too much information from the user. It is easy enough to use... you
keep hitting the "Next" button to cycle it through the steps in coming up with
delta(S) / delta(x). However, it just *does* each step, with no explanation as
to why it's doing it. If a student is trying to learn the reasons behind the
math involved here, they are going to have a difficult time of it. I would
recommend putting in a concise explanationmaybe just a sentence or two
describing the rationale behind each step. Other than that, I like the applet.
It looks nice and would be a great tool for a teacher trying to show the
Fundamental Theorem of Calculus to calc students.
Michael

Posted for George Reese's C&I 336 class at the University of
Illinois
http://www.mste.uiuc.edu/courses/ci336sp04
 
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