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MathGroup Archive 2002

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RE: Output control

  • To: mathgroup at
  • Subject: [mg32922] RE: [mg32898] Output control
  • From: David.Annetts at
  • Date: Tue, 19 Feb 2002 02:30:12 -0500 (EST)
  • Sender: owner-wri-mathgroup at

Hi Gustavo 
>     I'm trying to control a basic output in Mathematica, but 
> with little
> luck. Whenever I get a number smaller than a certain 
> threshold (that I don't
> know which is) Mathematica outputs jus a "0.", and not the 
> number. Also, it
> would rather write 0.00000654 than 6.54x10^6. Is there a way 
> to modify the
> default styles in Mathematica to:
>     1) Actually write a number of the kind 6.5435 x 10^-19
>     2) make it give all results smaller than a certain threshold (say,
> 10^-1) in scientific notation?

It's controlled via ExponentFunction which can be an argument to most of the
NumberForms.  It's explained in Section 2.8.7 of the Bible.


  Dr. David Annetts             EM Modelling Analyst
  Tel: (+612) 9490 5416         CSIRO DEM, North Ryde
  Fax: (+612) 9490 5467         David.Annetts at
                 Include "usual_disclaimers"

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