CTAN has a new package: duotenzor

[CTAN Announcements]

This should be at your local mirror within a day.

Thanks again,
Jim Hefferon
Saint Michael's College

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The following information was provided by our fellow contributor:

Name of contribution: duotenzor
Version number: 1.00
Author's name: Lucien Hardy
Location on CTAN: /graphics/duotenzor
Summary description: Drawing package for circuit and duotensor diagrams.
License type: lppl

Announcement text: 
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This is a drawing package for circuit and duotensor 
diagrams within LaTeX documents.  It consists of about 
eighty commands and calls on TikZ.  
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This package is located at 
   http://tug.ctan.org/tex-archive/graphics/duotenzor
.  More information is at
   http://tug.ctan.org/pkg/duotenzor
(if the package is new it may take a day for that information to 
appear).  We are supported by the TeX Users Group http://www.tug.org .  
Please join a users group; see http://www.tug.org/usergroups.html .