Add to
![[Graphics:Images/CurvatureMod_gr_234.gif]](../Images/CurvatureMod_gr_234.gif){kind=small}
the radius of curvature times ![[Graphics:Images/CurvatureMod_gr_235.gif]](../Images/CurvatureMod_gr_235.gif){kind=small}
. The
ordinate of the circle of curvature is![[Graphics:Images/CurvatureMod_gr_236.gif]](../Images/CurvatureMod_gr_236.gif)
The Ordinate the Easy Way
Add to
the radius of curvature times . The
ordinate of the circle of curvature is
Details
![[Graphics:../Images/CurvatureMod_gr_237.gif]](../Images/CurvatureMod_gr_237.gif)
![[Graphics:../Images/CurvatureMod_gr_238.gif]](../Images/CurvatureMod_gr_238.gif)
(c) John H. Mathews 2004