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Microsoft KB Archive/105208

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Knowledge Base

Article ID: 105208

Article Last Modified on 9/26/2003


  • Microsoft Works 2.0a

This article was previously published under Q105208


The Zeos 486SL Freestyle Notebook miscalculates various numeric values entered in either the Works for Windows 2.0a Spreadsheet or Database module. Below are some examples of the miscalculations:

   Entry            Result
   -----            ------

   18.53            80
   18.5300          68
   11.5             24
   11.50            80
   9.99             18


Zeos has confirmed this to be a problem with its A-O step 486SL Floating Point Unit. The problem results in erroneous results when some combinations of floating-point instructions are executed. It is the result of a mechanism in the 486SL that attempts to conserve power by automatically stopping the FPU clock when it is not being used.


Disable the auto FPU stop clock feature.


Zeos has created a floating-point utility specifically designed to correct this problem. You can obtain this utility by contacting Zeos technical support or downloading the file FS486FP.EXE from the Zeos BBS.

  • Zeos technical support: (800) 228-5390
  • Zeos BBS: (612) 633-0815

The Zeos 486SL Freestyle Notebook and FS486FP.EXE file are produced by Zeos, a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding these products' performance or reliability.

Additional query words: math coprocessor mathcoprocessor wrong incorrect result results formula displays

Keywords: KB105208