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A comment on How the modern world arose from imaginary numbers. Parent comment

Re:How the modern world arose from imaginary numbers by CamperBob2 on Friday February 11, 2022 @03:50AM (#30298907)
Exactly. Signed numbers for direction, complex numbers for 2D rotation, quaternions for 3D rotation (if you want to stretch the analogy to the breaking point.)
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Re:How the modern world arose from imaginary numbers by Qem on Friday February 11, 2022 @07:49AM (#30300801)
Octonions?
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Re:How the modern world arose from imaginary numbers by CamperBob2 on Friday February 11, 2022 @05:57PM (#30308018)
Over my pay grade.
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