Comments on "A Continued Operation Notation"* This note is intended to clarify and correct several points in a recent paper describing some notations for symbol manipulation by M. Barnett [Comm. ACM 6(August, 1963)]. CACM March, 1964 Barnett, M. P. Gerard, J. M. Sambles, A. W. CA640310 JB March 10, 1978 2:45 AM 1062 4 1121 1121 4 1121 1121 4 1121 1139 4 1121 1265 4 1121 1781 4 1121 659 4 1121 720 4 1121 759 4 1121 964 4 1121 1121 5 1121 1121 5 1121 1121 5 1121 464 5 1121 759 5 1121