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Mathcad Upgrade

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For those of you who are not on their mailing list, Mathsoft has an incredible offer to upgrade to Mathcad 11. The upgrade price is $116.99 which includes shipping.

Today (July 29) is the last day of the promo.

They seem to be pretty good in the customer service department as well. I upgraded last month (at the full upgrade price). When I contacted them, they agreed to refund me the difference since they have a 30 return policy. They allowed me to do a “virtual return”. I’m happy!

T. William (Bill) Allen, S.E. (CA #2607)


Consulting Structural Engineers

V (949) 248-8588

F (949) 209-2509


-----Original Message-----
From: DSmith7367(--nospam--at) [mailto:DSmith7367(--nospam--at)]
Thursday, July 29, 2004 11:27 AM
To: seaint(--nospam--at)
Subject: Re: Concrete Retaining Wall Control Joint and Expansion Joint Spacing



I normally use control joints at 30' and expansion joints at 90'.

These seem to work well.  I also put some special waterproofing behind the joints.

Dave Smith

Smith Associates