Really more airy (it changes the books we want to close on the first page), it really makes you want to get to work. A bigger writing, many figures, different colors for definitions and theorems (Therefore the important points is more easily identified on the pages, it is more pleasant).
In addition to the demos are hyper detailed (even the stuff flowing source) very clear, it is convenient to review all the steps.
Positive or negative for different people: the corrected exos are the direct result of the statement.
