"APL Since 1978" is a significant paper published by the ACM in the History of Programming Languages IV (HOPL IV).
The paper is by Roger K.W. Hui (Dyalog Limited, Canada) and Morten J. Kromberg (Dyalog Limited, United Kingdom). The paper is available at: https://dl.acm.org/doi/10.1145/3386319 J wiki links to the paper at: https://code.jsoftware.com/wiki/Links ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
