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Return to ZoomIn Command.
Idea of Use[edit | edit source]
Linear aproximation of a function by its tangent[edit | edit source]
Create a function f with a point A on it and a button with the code
ZoomIn(2,A) 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.