In 1988, McDonnell and [[Ken Iverson]] developed [[function train]] notation, one of the major innovations that spurred the creation of [[J]].
== External links ==
* [https://code.jsoftware.com/wiki/At_Play_With_J "At Play With J"], updated by the [[J]] community
* [https://www.jsoftware.com/papers/eem/anecdotes.htm Eugene McDonnell Quotations and Anecdotes] assembled by [[Roger Hui]]
=== SHARP APL Technical Notes ===
* SATN-40: [https://www.jsoftware.com/papers/satn40.htm Complex Numbers]. 1981-06-20.
* SATN-45: [https://www.jsoftware.com/papers/satn45.htm Language Extensions of May 1983] (with [[Bob Bernecky]], [[Ken Iverson]], Robert Metzger, and J. Henri Schueler). 1983-05-02.
== References ==