[Jprogramming] _. and/or

[bill lam]

Tested on J504 and J601 beta o
    _. +. 0 1 _.
0 1 _.

this is resonable, but
    _. *. 0 1 _.
0 0 0

_. *. 0 -> 0 is resonable, but seems otherwise for the  _. *. 1 _.

regards,
bill