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A comment on Understanding Quaternions. Parent comment

Re:Understanding Quaternions by twtw on Saturday October 20, 2018 @07:51PM (#18266083)
It used to be common in hard sciences and mathematics for English-speaking doctoral candidates to be required to show some aptitude for German or Russian. Maybe still is, dunno.
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Re:Understanding Quaternions by joeberon on Sunday October 21, 2018 @04:16AM (#18267141)
It’s definitely not
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