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Topic:  CEDO PublishersCalculus Toolkit 
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Subject:  RE: CEDO PublishersCalculus Toolkit 
Author:  Mathman 
Date:  Aug 8 2006 
> I do know it can show solids
> of revolution in 3D which my limited drawing abilities cannot. I
> certain I don't NEED it. I just want to explore it.
Thank you. I wasn't questioning the use; in fact, what you mention is extremely
useful. I have used and taught computer programming and applications for around
30 years now, and would have killed [theoretically] for a program to show
rotating 3D vectors when teaching that.
Two programs spring to mind from what you say here. One is the symbolic algebra
[and graphing...] program, Mupad. There is also Maple, or Derive, but Mupad has
a free earlier version, or did have. Some schools where I live can afford such
programs provided by their board of education, so a lot might depend upon that
capability. I have a small collection of some freeware programs that do 3D
graphing as well, and they can get the point across, with appropriate lessons to
guide them, when other, more comprehensive material is not available.
I will be busy over the next few days, but will try to find time to supply a
list of possibilities. In the meantime, you might take a look here,
http://archives.math.utk.edu
for some fine software, and much more. I've used the site for years now, having
started with "Calculus Calculator", a very early, but still useful effort found
here:
http://archives.math.utk.edu/software/msdos/calculus/.html
There is some keyboard control for 3D graphs, not mouse control as in the others
I mentioned, but it's the concepts that matter in the long run.
David.
 
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