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Warning in ExpIntegralE?

• To: mathgroup at smc.vnet.net
• Subject: [mg23597] Warning in ExpIntegralE?
• From: p_mclean at postoffice.utas.edu.au (Patrick McLean)
• Date: Wed, 24 May 2000 02:16:00 -0400 (EDT)
• Organization: Maths Dept, University of Tasmania
• Sender: owner-wri-mathgroup at wolfram.com

Can someone explain why I get the following error message:

Mathematica 3.0 for Solaris
Copyright 1988-96 Wolfram Research, Inc.
 -- Terminal graphics initialized --

In[1]:= ExpIntegralE[1,0.0000000000000000000000000001]

General::dbyz: Division by zero.

Out[1]= 63.8952

In[2]:=

The result seems right but the message is annoying.

Thanks for any responses

-- 
Patrick McLean

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