Subtract from
![[Graphics:Images/CurvatureMod_gr_229.gif]](../Images/CurvatureMod_gr_229.gif){kind=small}
the radius of curvature times ![[Graphics:Images/CurvatureMod_gr_230.gif]](../Images/CurvatureMod_gr_230.gif){kind=small}
. The
abscissa of the circle of curvature is![[Graphics:Images/CurvatureMod_gr_231.gif]](../Images/CurvatureMod_gr_231.gif)
The Abscissa the Easy Way
Subtract from
the radius of curvature times . The
abscissa of the circle of curvature is
Details
![[Graphics:../Images/CurvatureMod_gr_232.gif]](../Images/CurvatureMod_gr_232.gif)
![[Graphics:../Images/CurvatureMod_gr_233.gif]](../Images/CurvatureMod_gr_233.gif)
(c) John H. Mathews 2004