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06/28/15 (Sun) 16:55:30 No.2655
hi /sci/
what are some sites for problem solving? i know about brilliant aops clevermath khanacademy. any one know some others?
07/06/15 (Mon) 08:28:37 No.2687
Go buy math books.
Or if u like logic puzzles, Martin Gardner, Lewis, and Ray Smullyan all make pretty good ones.
07/07/15 (Tue) 17:49:34 No.2697
Mathstack or Math Overflow is where I get my fix.
Oh, the fond memories of the problems I've encountered.