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by virtuous_signal
2050 days ago
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It's amazing to think how much welfare a single person's free work can add to the world. Basically FOSS but for learning math. I used this site ~12 years ago when taking calculus courses, and more recently I put it as a recommended resource on my syllabi when teaching those same courses. Apparently many others benefitted as well. A gift for exposition + selflessness + a permanent domain name (I'm guessing, due to his job at a university) = profit for everyone. |
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