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Re:China bans for-profit school tutoring in sweeping overhaul by sudosysgen on Saturday July 24, 2021 @09:14PM (#27945798)
In Québec we learn analytical geometry, it was actually tremendously helpful for me to excel at Calculus and Linear Algebra. I don't really think it's obsolete.
Re:China bans for-profit school tutoring in sweeping overhaul by nick__m on Sunday July 25, 2021 @12:15AM (#27946658)
I have always wondered about the causes behind Québec's anormaly high PISA score in mathematic¹ and I think that your annecdote is probably highlighting of of them.

1- Table 1 and 2 of that document: https://www.fraserinstitute.org/sites/default/files/math-per...