Some E.T.A. twists Avril’d allowed into the classic L.A.S. path are e.g. that the seven subjects of the T and Q are mixed and not divided into Quadrivial Upper-class v. Trivial Ephebic; that E.T.A. geometry classes pretty much ignore the study of closed figures (excepting rectangles) to concentrate (also except for Thorp’s Trigonometry of Cubes, which is elective and mostly aesthetic) for two increasingly brutal semesters on the involution and expansion of bare angles; that the quadrivial requirement of astronomy has at E.T.A. become a two-term elementary optics survey, since vision issues are
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