hermann on Fri, 24 Nov 2023 09:27:44 +0100


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Re: Lookup Table 

On 2023-11-24 08:16, Thomas D. Dean wrote:

? mapget(M,8)
  ***   at top-level: mapget(M,8)
  ***                 ^-----------
  *** mapget: nonexistent component in mapget: index not in map
  ***   Break loop: type 'break' to go back to GP prompt


Is it possible to do this?


I was too late to answer.
I learned about "mapisdefined" by "???map", which lists all that has to do with map. 
"?mapisdefined" is short help, "??mapisdefined" is extended help.