Thanks for the replies.
I don't have a computer at hand now but I will check this tomorrow.

--- Original Message ---

From: "Rob Hodgkinson" <[email protected]>
Sent: January 29, 2015 9:05 PM
To: [email protected]
Subject: Re: [Jprogramming] 3!:5 loses accuracy

John, check Print Precision affecting your output …

   9!:10 (8)            NB: Default is 6 significant figures
6
   9!:11 (8)            NB: Change to 8 sig figs

   9!:10 ‘’                     NB: Check
8
   e d 3.434345
3.434345

Rob


> On 29 Jan 2015, at 10:43 pm, Jon Hough <[email protected]> wrote:
>
> I'm not sure what the cause of this is, or what the solution is:
>
> d =: 2& (3!:5)
>
>
>
>   e =: _2&(3!:5)
>
>
>
>   e d 3.434345
>
>
> The result is:  3.43434
>
>
> My float was truncated, losing my final 5.
> (I'm working on a 64-bit Mac)
>
>
> Any hints about what's going on appreciated.
>
>
> ----------------------------------------------------------------------
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