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Right, the appearance of a forth curved (line)will take it farther down to Newtonian Curves. :ashamed1:
Apart from the 300 BC Geometric family tree studied by Euclid . . . the Geometric Calculus, and followed by Descartes, all the way to what we encounter in engineering equations in Geometric Algebra Calculus are in excess of what electricians would probably need to make a living.
Don't you think?