You can When you drag in the area around the oval, the lengths of the two segments are shown at upper left, and their sum (or weighted sum, or product) appears below them, colored in red if you're on (or outside) the oval.

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Here's what it might look like:

[snapshot of curve applet]


Written Oct 1997 by Stuart Levy (slevy@ncsa.uiuc.edu), NCSA, University of Illinois, Urbana-Champaign, for the ChickScope project.

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