> On Sep 7, 2017, at 1:40 PM, Erling Hellenäs <erl...@erlinghellenas.se> wrote: > > It is non-intuitive that (*: n) does not give the same result as (n^2). Maybe > once this was decided because of performance reasons.
Just like, in C, I always do x*x, instead of pow(x,2). ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm