Last Updated 15 Jan 2012. Error found by Chris Wu Page 281 line 4: should be (-2,-1.5,-1,-0.5,0,0.5,1,1.5) (the value -1 is missing). ------ Error found by Joseph North Page 449 reference Lagrange (1877): ``Le\c cons \'El\'ementaires Sur Les Math\'ematiques, Don\'ees \`a l'Ecole Normale en 1795,'' should be ``Le\c cons \'El\'ementaires Sur Les Math\'ematiques, Donn\'ees \`a l'Ecole Normale en 1795,'' ------ Error found by Tom Williams Page 160: Matrix B in the large display equation in paragraph -3 should include a factor of 1/60. ------------------ ------------------- ---------------- (Apr 2011) Error found by Bill Wilburn Page 88, Figure 3.4a: The correct coordinates of point (0,0,-0.5) should be (2,1,-0.5). --------- (Jan 2012) Error found by Pieter Barendrecht Page 232, end of section 6.21: "0, 0.25, 0.5, 0.75, and 1" should be "0, 0.33, 0.67, and 1". Four, not five, values of $u_k$ are needed because there are 3x4 control points in our example. Page 261, line 14: "... or order 5, (quintic, with one segment)." Should be "... or order 5, (quartic, with one segment)." --------- errata \e'rat-e\ n a: a list of corrigenda corrigendum \kor-e'jen-dem\ n a: an error in a printed work discovered after printing and shown with its correction on a separate sheet