[mathcad] Re: Mathcad 11-12 compatibility

Author: Stuart Bruff Posted: Sun, 31 Jul 2005 22:45:37 +0100

Dave,

Yes, M11 and M12 do have a number of compatibility problems. If you use units in your worksheets, this is a possible source of errors, due to M12's static type checking mechanism.

I haven't encountered many problems with M12 not opening files (I presume you're running M12.1?) but running them is a different matter.

There has been some discussion of this issue in the Mathcad User Forum, and it might be worth your while reposting your question there .. or searching the messages.

If you can provide examples of worksheets that fail, or code fragments that fail, that would be helpful in identifying the reasons (for a possible fix in M11)

Stuart
From: Snelling, Dave
To: Mathcad Discussion List
Sent: Saturday, July 30, 2005 2:12 AM
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.

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