From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Tue, 23 Mar 2010 16:32:19 +0000 (+0100)
Subject: added acos to angle calc
X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;h=40f91e7d7cb98fedd86bc4e3178021f687190550;hp=40f91e7d7cb98fedd86bc4e3178021f687190550;p=physik%2Fposic.git

added acos to angle calc
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