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http://news.ycombinator.com/item?id=1576969 http://news.ycombinator.com/item?id=1576969 http://news.ycombinator.com/item?id=85743 http://news.ycombinator.com/i

• ColinWright 15y ago
  Of those, only the most recent one has any substantial comments, and even that is now 10 months old and can no longer be commented on: http://news.ycombinator.com/item?id=1576969 http://news.ycombinator.com/item?id=1576969
  • levesque 15y ago
    I enjoyed the Calculus for fools link :) http://www.gutenberg.org/files/33283/33283-pdf.pdf http://www.gutenberg.org/files/33283/33283-pdf.pdf