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This only exports output cells, but does work. SetOptions[EvaluationNotebook[], NotebookEventActions -> { {"MenuCommand", "Save"} :> Module[{loc, nb, new = FileNameJoin@Append[ Drop[FileNameSplit@NotebookFileName[], -1], FileBaseName@FileNameTake[NotebookFileName[]] <> ".m" ] }, ...


xTerior handles tensor-valued differential forms in an abstract way: http://xact.es/xTerior/


but it is not working The above does not describe the problem you are having. When you say not working, you need to explain how it is not working, and what you tried. I just downloaded it and I see no problem. Using V10.01, on windows. Downloaded it from http://library.wolfram.com/infocenter/MathSource/577/ Here are some examples ...


Perhaps MatLink is an alternative solution. http://matlink.org/


I think CalendarConvert, which is new in version 10 might help: CalendarConvert[ DateObject[{20134, 10, 16, 14, 10, 4}, TimeZone -> 0], "Julian"]


(I felt this was similar to the issues you have been having and deserved something slightly more then a comment. This isn't exactly an answer, but I am hopeful to find one. Please comment if you have any questions or believe it should be pushed to a comment. ) First in init.m I have started to define function definitions in init.nb precisely like the ...


If you want to keep the previous definition and use built-in function in further operation, you can use ParallelEvaluate Unprotect[Sqrt]; Sqrt[x_] = "blahblah"; Protect[Sqrt]; Sqrt[4] (*"blahblah"*) First@ParallelEvaluate[Sqrt[4]] (*2*)


Unprotect[Sqrt]; Sqrt[x_] = "blahblah"; Protect[Sqrt]; Sqrt[2] blahblah Unprotect[Sqrt]; ClearAll[Sqrt]; Protect[Sqrt]; Sqrt[2]

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