Shameless plug, but I enjoy writing natural, intuitive explanations of math & programming topics. Try this intuitive guide to e if the true meaning of that constant has eluded you:<p><a href="http://betterexplained.com/articles/an-intuitive-guide-to-exponential-functions-e/" rel="nofollow">http://betterexplained.com/articles/an-intuitive-guide-to-ex...</a><p>Sometimes you need to "forget" what you know and come at things with a beginner's mind.