Issue No.03 - March (1981 vol.14)
The changes to Jerome T. Coonen's article in the Jaunary 1980 issue of Computer (pp. 68-79) are of two types. Those marker (E) correct errors, while the others, marked (U), bring the guide up to data with the most recent draft of the proposal.
"Errata? "An Implementation Guide to a Proposed Standard for Floating-Point Arithmetic"", Computer, vol.14, no. 3, pp. 62, March 1981, doi:10.1109/C-M.1981.220378