Approximating circles and osculating circle

The green circle is the osculating circle at the white point. The light blue (cyan) circle is the circle through the white and the two black points. When the black points converge to the white one (use the player), this approximating circle converges to the osculating circle. You may choose another (white) point using the scroller.

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Last modified: Thu Jun 28 14:31:13 MET DST 2001