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Topic:  Function Machine 
Related Item:  http://mathforum.org/mathtools/tool/456/ 
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Subject:  Function Machine 
Author:  Iulia 
Date:  Feb 10 2004 
I found this tool kind of easy (I don't know in what class can be used), but
nice.The idea is to put into machine as many of the numbers 1,2,3,4 as desired,
to observe the outputs and then to a pattern ( the function used to get the
outputs). Students should be made aware of the fact that some functions need
more than 4 entries to be identified.
I think that using this applet to guess patterns can be useful for students (in
the future), especially when they would learn the method of mathematical
induction, since in many problems they will need to find the function and then
to apply the method.
 
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