The display for that page tries to "make columnar" results of raw expression 
and EVM expression.  The lines are not legal J.

'*: 4' EVM  NB. should work

*: 4 '*: 4' EVM  NB. results in N N - syntax error.






On Saturday, December 3, 2022 at 07:14:41 a.m. EST, Richard Donovan 
<rsdono...@hotmail.com> wrote: 





I was reading on the J website of the useful sounding adverb EVM so I went to 
the link at Help / Learning / Ap 1: Evaluating Expressions - J Wiki 
(jsoftware.com)<https://code.jsoftware.com/wiki/Help/Learning/Ap_1:_Evaluating_Expressions>
 and downloaded it.

So far I cannot get it to work at all using the examples given, I get syntax 
error in every case! EG

From the wiki page...
*: 4
'*: 4' EVM
16
16

Me:

*: 4'*: 4' EVM
|syntax error
| *: 4'*: 4'EVM

Have I catastrophically misunderstood this, or missed something obvious??

Thanks
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