this post was submitted on 14 Jul 2025
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operative?
Also mathematicians use i for imaginary, engineers use j. The story does not add up. I have never seen a single mathematician use j for imaginary.
As an EE, I used both. Def not a mathematician though. Fuck that, I just plug variables into programs now.
I have both mechanical and electrical backgrounds. MEs like I, EEs prefer j
Engineer here: mostly use i, but have seen j used plenty. First time I saw j used was by a maths professor.
Interesting I never saw j from a maths person. Friends (from a decade ago!) in electronics eng dep said they use j because i was reserved for current. perhaps the latter depends on the department.
TIL engineers can't spell for shit.
Cannot confirm, we always used i.