From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eran Y <eran@elspec-ltd.com>
Date: Tue, 23 Nov 2010 04:53:13 -0800 (PST)
Subject: [U-Boot] Mathematics operation on uboot variables
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Hi

Is there any way to use mathematics operation on uboot environment or  uboot
local variables?
since $varA+$varB and $(varA+varB) just save the string. 
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