Tue, 19 Jun 2018 12:14:31 +0100 paulson merged
Tue, 19 Jun 2018 12:14:12 +0100 paulson fixing overloading problems involving vector cross products
Mon, 18 Jun 2018 15:56:03 +0100 paulson corrections to markup
Mon, 18 Jun 2018 14:22:26 +0100 paulson New material in support of quaternions
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