A Note on "A Modification of Nordsieck's Method Using an 'Off-Step' Point" CACM December, 1971 Blumberg, J. W. Foulk, C. R. ordinary differential equations, multi-step methods, predictor, corrector, round-off error, Nordsieck's method, Gragg-Stetter modification 5.11 5.16 5.17 CA711207 JB February 2, 1978 9:52 AM 2136 5 2136 2136 5 2136 2136 5 2136