This should be at your local mirror.
Jim Hef{}feron Saint Michael's College
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The following information was provided by our fellow contributor:
Name of contribution: pstricks-add Version number: 3.46 Author's name: Herbert Voss Location on CTAN: /graphics/pstricks/contrib/pstricks-add/ Summary description: Additional macros for PSTricks License type: lppl
Announcement text: ---------------------------------------------------------------------- pstricks-add.tex v 3.46 2010-12-13 - added new macro psVector for drawing vectors with relative coordinates to allow a sequence of vectors like the one in electrical engineering (hv)
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This package is at http://tug.ctan.org/tex-archive/graphics/pstricks/contrib/pstricks-add/ . Information is at http://tug.ctan.org/pkg/pstricks-add (it may take a day for the information to appear). We are supported by the TeX Users Group http://www.tug.org . For your users group see http://www.tug.org/usergroups.html .