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MathGroup Archive 2004

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Unexpected Result for InputForm

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47583] Unexpected Result for InputForm
  • From: Harold.Noffke at wpafb.af.mil (Harold Noffke)
  • Date: Fri, 16 Apr 2004 05:21:42 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

$Version "5.0 for Microsoft Windows [2000] (November 18, 2003)"

MathGroup:

In[5]:=
	$NumberMarks
Out[5]=
	Automatic
In[6]:=
	x=1234567890.12345678901234567890;
In[7]:=
	InputForm[x]
Out[7]//InputForm=
	1.2345678901234567890123456789`29.091514977212704*^9	
                                                                    
In Out[7], the `29 says there are 29 digits (correct); the *^9 says
x10**9 (correct); but the .091514977212704 in between I can't figure
out.  What does this string of numbers mean, and where is it's
documentation?

Thanks.
Harold


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