Mathematica 9 is now available
Student Support Forum
-----
Student Support Forum > General > > "Undefined"

Post Reply:
Name:
Email Address:

Please send email when my message is replied to.

Url (optional):
Subject:
Message: view original message?
Attachment (optional):
Please answer this:2+1 =



Original Message (ID '78244') By Bill Simpson:
Does this work for your problem? In[1]:= a=.; Select[{a,Pi,7,Undefined},NumericQ] Out[2]= {Pi,7}