Stem calculator

posted 7 May 2011, 07:54 by Secretary WWCC   [ updated 16 May 2011, 06:45 by Admin WWCC ]
I've added a stem calculator in the form of an Excel spreadsheet to the More info/Sundries page - self-explanatory notes to be found there. Please persist if it seems baffling at first, rather than asking me! Just remember the starting position is a standard 73/17 degree stem, horizontal. Everything is relative to that.
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