The reference pages for Mathematica are by far the best docs I've seen for a programming language. They're thorough and each example can be evaluated in place.

The reference pages for Mathematica are by far the best docs I've seen for a programming language. They're thorough and each example can be evaluated in place. Online version here [1] is not evaluatable and is rendered to images, but otherwise it's the same content as the desktop version. Specific example [2]. [1] http://reference.wolfram.com/language/ http://reference.wolfram.com/language/ [2] http://reference.wolfram.com/language/ref/Histogram.html http://reference.wolfram.com/language/ref/Histogram.html