[Jprogramming] scientific notation
Ian Clark
earthspotty at gmail.com
Thu Oct 20 09:18:51 HKT 2011
Thanks Tom. Just what I was hoping to find.
(And I can find it now, in J Help, now I know what I'm meant to be looking for.)
On Thu, Oct 20, 2011 at 1:41 AM, Tom Arneson <tom at tomarneson.com> wrote:
> Use dyadic Format with a negative sign on either w or d part of the left
> argument
>
> 12j_5 ": 123%9874563210
> 1.24562e_8
>
>
> Any negative sign is placed just before the leading digit. If w>:0 and d>:0,
> the result is right-justified in the space. Otherwise (if w<0 or d<0), the
> result is put in exponential form (with one digit before the decimal point)
> and is left-justified except for two fixed spaces on the left (including one
> for a possible negative sign).
>
> -----Original Message-----
> From: programming-bounces at jsoftware.com
> [mailto:programming-bounces at jsoftware.com] On Behalf Of Ian Clark
> Sent: Wednesday, October 19, 2011 19:32
> To: Programming forum
> Subject: [Jprogramming] scientific notation
>
> Default Format (":) flips over into scientific notation at around 2^31
> (on my Mac).
>
> ": 2147480000
> 2147480000
> ": 2147490000
> 2.14749e9
>
> How can I force scientific notation to appear (a) all the time, (b) >=
> a chosen number n, say n=1e6 ?
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