How can I make a graph using Xcode?

Hi,
I'd like to make a graph using Xcode 3.2.5 on an iMac 2009 with Mac OS X 10.6.7. I'm reading temperatures through the serial port (using an USB-serial cable) and I want to show how the temperature increases or decreases along the time. Can anyone help me?
Thanks.

history of this question is found here!
Message Edited by GerdW on 11-26-2007 04:09 PM
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome

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