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Re:Understanding Quaternions by dboreham on Saturday October 20, 2018 @09:15PM (#18266313)
I believe German was required in order to study Chemistry back in the day.
Re:Understanding Quaternions by hprotagonist on Saturday October 20, 2018 @10:40PM (#18266492)
it had to be. The bulk of the literature wasn’t in english.

it is now..but it’s still good to know for reviewing the older work.