Inset Plot Magnifier
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Variations of have interesting behavior near 0. Drag the red square over the graph to show a magnification in the inset.
Contributed by: Ed Pegg Jr (March 2011)
Open content licensed under CC BY-NC-SA
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"Inset Plot Magnifier"
http://demonstrations.wolfram.com/InsetPlotMagnifier/
Wolfram Demonstrations Project
Published: March 7 2011