Review of rectangular, cylindrical, and spherical coordinates
To keep the book short (and inexpensive), I didn’t include a review of coordinate systems in the text – so it’s here on the website.  If you’re a bit fuzzy on how to get from from (x,y,z) to (r, theta, phi), or from (A_x, A_y, A_z) to (A_r, A _theta, A _phi), then you should take a look at this review, which is in .pdf format.

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