There are a lot of great introductory mathematics courses available at coursera.org[0] for free, without the certification. See this thread[1] for a list of gr

There are a lot of great introductory mathematics courses available at coursera.org[0] for free, without the certification. See this thread[1] for a list of great math book resources. [0]: https://coursera.org https://coursera.org [1]: https://news.ycombinator.com/item?id=30485544 https://news.ycombinator.com/item?id=30485544