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From: <brettholcomb@bellsouth.net>
To: <gentoo-user@lists.gentoo.org>
Subject: Re: [gentoo-user] Getting BC not to truncate at the decimal point?
Date: Wed, 24 May 2006 16:46:25 -0400	[thread overview]
Message-ID: <20060524204625.WNLR4103.ibm67aec.bellsouth.net@mail.bellsouth.net> (raw)

Did you try

scale=n

Where n is the number of digits after the decimal?  More in man bc.

> 
> From: "Mike Huber" <michael.huber@gmail.com>
> Date: 2006/05/24 Wed PM 12:48:29 EDT
> To: gentoo-user@lists.gentoo.org
> Subject: [gentoo-user] Getting BC not to truncate at the decimal point?
> 
> Hi,
>    I'm just trying to do some quick calculations using bc, but the version
> installed through portage truncates on multiplication/division.  It didn't
> used to do this 2 years ago when I was taking number theory, and there are
> no USE flags available for sys-devel/bc to change this.  From the manpage:
> 
> ---------------------------------------------------------------------
> 
> The most basic element in bc is the number.  Numbers are arbitrary precision
> numbers.  This precision is both in the  integer  part  and  the fractional
> part.  All numbers are represented internally in decimal and all computation
> is done in decimal.  (This  version  truncates  results from divide and
> multiply operations.)  There are two attributes of numbers, the length and
> the scale.  The length is the total number of significant  decimal  digits
> in a number and the scale is the total number of decimal digits after the
> decimal point.  For example:
>                .000001 has a length of 6 and scale of 6.
>                1935.000 has a length of 7 and a scale of 3.
> 
> 
> ------------------------------------------------------------------------
> 
> 
> Anyone have any ideas?
> 
> --Mike
> 
> 

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             reply	other threads:[~2006-05-24 20:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-24 20:46 brettholcomb [this message]
2006-05-24 21:15 ` [gentoo-user] Getting BC not to truncate at the decimal point? Mike Huber
2006-05-25  0:51   ` Brett I. Holcomb
  -- strict thread matches above, loose matches on Subject: below --
2006-05-24 16:48 Mike Huber
2006-05-25 16:05 ` John Green

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