>     NB. huh?  13 looks right to me.
>     8 -inv 5
> 3

  (8&-^:_1) 5
3
   (8&*^:_1) 5
0.625
   (8&+^:_1) 5
_3


On Sun, Oct 18, 2020 at 3:27 PM David Lambert <[email protected]> wrote:
>
>     JVERSION
> Engine: j902/j64avx2/linux
> Beta-h: commercial/2020-10-03T19:37:53
> Library: 9.02.05
> Platform: Linux 64
> Installer: J902 install
> InstallPath: /home/lambertdw/downloads/installs/j902
> Contact: www.jsoftware.com
>
>
>     NB. huh?  13 looks right to me.
>     8 -inv 5
> 3
>
>     NB. expected
>     8 *inv 5
> 0.625
>
>     8 +inv 5
> _3
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
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