Difference between revisions of "Comments:ZoomIn Command"
From GeoGebra Manual
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Revision as of 17:20, 4 May 2011
Idea of Use
Linear aproximation of a function by its tangent
Create a function f with a point A on it and a button with the code ZoomIn[A,2] to see that the function looks equal to the tangent for a big "magnification". Another button with ZoomOut let you be able to prove this at other positions of the point A.
