From: KIRTANA S (skirtana4_at_gmail.com)
Date: Tue Jul 12 2011 - 11:12:41 CDT

How can I round off a number to nearest whole number using tcl .I
tried using round (), whihc is not recognized .
expr{} works . Can you tell me if I need to import any library to use
the math in tcl.

thank you