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MathGroup Archive 2004

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Re: Print with limited precision

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51108] Re: [mg51097] Print with limited precision
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Tue, 5 Oct 2004 04:36:52 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <200410041018.GAA25208@smc.vnet.net>
  • Reply-to: murray at math.umass.edu
  • Sender: owner-wri-mathgroup at wolfram.com

   zz = -27.9873554;
   NumberForm[zz, {4, 2}]
-27.99

But zz itself is not affected; only the way it displayed was changed.

Steve Gray wrote:
> There must be some built-in function to print out decimal quantities with say
> 2 digits of precision to the right of the point. I want quantities such
> as zz= -27.9873554 to print as -27.99, etc., but keeping the real precision
> internally. I could write one easily enough but I would think there is
> already such a thing. This seems trivial but I can't find how to do it in Help, etc.
> 
> Steve Gray
> 
> 
> 

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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