Ö (the APL symbol, which I don't have access to on this keyboard) was used in Sharp APL as the composition operator (equivalent to @ in modern J). It might still be used for the same purpose in NARS.
Cheers, Louis > On 17 Apr 2017, at 17:31, Juergen Sauermann <juergen.sauerm...@t-online.de> > wrote: > > Hi Xiao-Yong, > > thanks, I have added *⍤*, *⍣*, and *⍬* to *)HELP* in *SVN 923*. > > No Idea what *⍥* is, and GNU APL seems not to support it. Nor does ISO or > APL2. > > What I do know is *ö* and *Ö* (German Umlaute: *ö* is lower-case and *Ö* is > upper-case). > I suppose *⍥* is German middle-case then :-). > > /// Jürgen > > > On 04/17/2017 09:18 PM, Xiao-Yong Jin wrote: >>> On Apr 17, 2017, at 1:06 PM, Juergen Sauermann >>> <juergen.sauerm...@t-online.de> wrote: >>> >>> dyadic function: Z ← A ⌹ B (Matrix divide) >>> Solution to system of linear equations Ax = B >> That should be "A = Bx" >> >> It seems that ⍤ and ⍣ are not in the list. >> I guess that's because they are not in APL2? >> >> > >
