From the perspective of my imperfect mathematical experience, it isn’t completely clear to me that Cartesian coordinates are better for any particular job. Isn’t that the point? That you may think you know what you’re doing, and then later find out that for the sonar app you were hired to develop, that all your Cartesian graphics experience has led you down the wrong path?

It’s not the class Point that is defective, but the particular pedagogical use of it to which you should object.

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