> From: DIETER ENSSLEN
> 1+x:^o.0j1  does indeed produce  a 0
> 
> as opposed to 1+ 1x1^(1p1*0j1)  which produces   0j1.22465e_16   which
> is a 'practical' zero but not a say 1.1e_330 type of zero
> 
> and both I trust represents e^(pi* i)  +1  =  0
> 

I don't think anybody will argue that J is a computer algebra system but:

   1 + x: 1x1^1p1 * 0j1
0

Or:
   e_exp=: x:@^
   1 + e_exp 1p1 * 0j1
0

I suggest that you first enjoy J for what it can do before you try to make it 
something it isn't.

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