I've been working for the past 15 months on repairing my rusty math skills, ever since I read a biography of Johnny von Neumann. I've read a huge stack of math books, and I have an even bigger stack of unread math books. And it's starting to come together. Let me tell you about it. Conventional Wisdom Doesn't Add Up First: programmers don't think they need to know math. I hear that so often; I har