Services & Resources / Wolfram Forums
MathGroup Archive
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1999

[Date Index] [Thread Index] [Author Index]

Search the Archive

precision of floating-point-numbers

  • To: mathgroup at
  • Subject: [mg19290] precision of floating-point-numbers
  • From: Martin Stockhammer <martin.stockhammer at>
  • Date: Sat, 14 Aug 1999 01:45:15 -0400
  • Organization: Visual Analysis GmbH
  • Sender: owner-wri-mathgroup at


can anybody tell me how $MinPrecision works.
If I set $MinPrecision=100 and type:
[In] 1. - 1.*10^-20
i get
[Out] 1.
If I type 
[In] SetPrecision[1., 100]-SetPrecision[1., 100]*10^-20
i get

I want to set all calculation to minimum precision, how can I do this?

Thank You
Martin Stockhammer

  • Prev by Date: Re: Automatic Display in MatrixForm
  • Next by Date: Re: Q: Simple? 3D Plotting Problems
  • Previous by thread: Re: Simple? 3D Plotting Problems
  • Next by thread: recovering corrupted notebook (Re: Please Help)