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[mathcad] Re: Mathcad 11-12 compatibility
| [mathcad] Re: Mathcad 11-12 compatibility |
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Author: Tim Reilly
Posted: Sun, 31 Jul 2005 22:36:53 -0500
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I work at Honeywell in Minneapolis and one of my friends went to mathcad 12; Honeywell stills has license servers for both versions. He has had problems with crashing with version 12 and mathsoft told him there is a memory management problem and gave him a batch file that he runs on startup. The other problem he has had was crashing due to graphics acceleration with mathcad 12. With the graphics acceleration set way back and the script he seems reasonably happy now. I own 11 at home and so I am staying with it at work so I don't have to remember to save stuff in 11 format when I go home. I have heard that the only good thing about 12 is the ability to put two graphs with different y axis scaling on a 2d plot. If you can't get the script out of mathsoft email me and I'll see if I can get it for you.
Best Regards,
Tim
From: Snelling, Dave
To: Mathcad Discussion List
Sent: Friday, July 29, 2005 8:12 PM
Subject: [mathcad] Mathcad 11-12 compatibility
Our research group is having continuing problems with opening Mathcad 11 files in Mathcad 12, to the point that I most members of the group have uninstalled version 12 and returned to version 11.
These problems include files that cannot be opened without crashing Mathcad 12: "Application generated an exception that could not be handled".
On other occasions the program does not crash but it stops calculating at some point in the sheet and it is necessary to find the offending statement and press F9. We have also had spline fits that will not calculate with an error message that some variable is imaginary. It is not. But the spline fit will not calculate until we specify the variable as real. There have been other problems, which I don't remember at the moment.
Has anyone else encountered these kinds of difficulties?
We have a large number of Mathcad 11 files so this is a real problem for us.
So far Mathsoft technical support has been little help in solving these problems.
The only problem they came up with a solution for is trying to open version 12 and getting a ""The instruction at "0x1025ae39" referenced memory at
"0x0189c120" followed by Mathcad closing. The solution provided was:
"The error message about "The instruction at "0x1025ae39" referenced memory at "0x0189c120" is a known MC 12 intermittent issue that is caused by corruption of Local Assembly cache. You can fix this by doing the following:
(1) Close Mathcad.
(2) In the following directory, C:\Documents and Settings\%username%\Local Settings\Mathsoft\Mathcad, delete the subdirectory called "12." The directory is called the "local assembly cache" and is recreated with clean files when you re-launch Mathcad. Please note that "Local Settings" is a hidden directory, so you may need to make your hidden folders visible using Tools/Folder Options/View."
I would very much appreciate hearing the experience of other users.
Dave Snelling
Dr David R. Snelling
Principal Research Officer
NRC/ICPET/Combustion Research
Building M9, 1200 Montreal Rd.
Ottawa, ON, Canada K1A OR6
Phone (613) 993-0810
Fax (613) 957-7869
"dave.snelling"
www.nrc.ca
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