Aha, so arithmetic functions will just leave it as-is.  Just right!

On 02/04/2020 08:22 PM, Devon McCormick wrote:
You might also consider "_" (infinity) or "__" (negative infinity).

On Tue, Feb 4, 2020 at 8:19 PM PMA <armst...@eskimo.com> wrote:

Thanks, Roger, I'll look into this!

On 02/04/2020 04:33 PM, Roger Hui wrote:
You could try using _. (aka NaN aka indeterminate).  But read
http://code.jsoftware.com/wiki/Essays/Indeterminate first.



On Tue, Feb 4, 2020 at 12:46 PM PMA <armst...@eskimo.com> wrote:

J gurus --
I have a numerical array in which some positions
need to display either 0 (a literal zero) OR
nothing at (be empty).  Is this possible somehow
using the NULL value, with math functions simply
bypassing it?
Thanks in advance,
Peter A
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