Discussion:  All Topics 
Topic:  Teaching the Concept of Functions 
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Subject:  RE: Teaching the Concept of Functions 
Author:  tackweed 
Date:  Sep 25 2004 
dealing with the function keys [%]{x^2][sqrt]vs the operations keys[+] [] [x]
[÷] [y^x] (and its inverse  the x root of y). The easiest example of this is
probably the x^2 key vs the y^x key. Students find this an interesting
connection  probably because they wonder what these other keys are for.....
As far as using function machines  math tools has bunches  both Java applets
and JavaScripts are available which are in fact, function machines. Using these
numberinnumberout tools will generate data some of which which can be
graphed which adds another dimension.
 
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