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"Revealing the Universe..." is excellent for those interested in astronomy as well as for those interested in expanding your mind with a good read.
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This book consists of tutorials that you perform, which increase in difficulty as you progress. However, instead of teaching you Director and Lingo, and how to use them, this book just has you do mindless tutorials. Sure, it tries to explain a few things along the way, but for the most part, you just follow directions, and do the tutorials.
I learned a whole lot more about how to use Director and Lingo from Director 7 Demystified. It explained things in clear terms, and taught you how to USE the program, instead of just telling you what to do next for the tutorial. Demystified is also a vast reference for Director and Lingo, whereas once you go through the tutorials in this book, you will probably never come back to it.
If you are trying to learn Director, I would definitely go with Director 7 Demystified.
However if you have director 6 authorized, dont waste your money, its almost a complete rehash of the last book, the lessons are exactly the same as last time, even the table of contents reads exactly the same.
If you dont have the previous book I would suggest this as a good place to start learning director.
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Thanks a lot
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The authors of _Calculus_ don't seem to have made up their minds regarding whether or not it is necessary to introduce the notion of mathematical justification in this book. On the one hand, the examples feature sound arguments for why a curve looks the way it does, or why a critical point is a maximum or minimum - but on the other hand, alongside Newton's Method and the Bisection Method for estimating roots, is a "Using the Zoom Function on Your Calculator" primer on how to estimate the zeroes of functions. Offhand remarks about "and you can use your graphing calculator for this and that" serve to seriously undermine any attempt to explain to first-year students the concept of mathematical argument - which is unfamiliar to many.
The organization of the chapters is also somewhat questionable. Differentiation is broken up into two sections: one dealing with the concept of a derivative (complete with pictures), and the other pertaining to computing them. While the idea of introducing differentiation through a concrete example - measuring instantaneous velocity given a displacement function - is a good one, by the time students actually get to work with derivatives, they're no longer focused on what they actually represent. Curve sketching is introduced vaguely at the end of the second chapter - before the shortcuts to differentiation are mentioned - and then revisited only in chapter 4.
The section on integration is even worse: again, it's introduced in a concrete manner - this time, by asking how displacement can be computed from a velocity function. But for some bizarre reason, the authors don't take this opportunity to explain that the area under a velocity curve - the integral - is that same displacement function whose derivative was the velocity. It's a perfect opportunity to do so, as it's an interesting and surprising (to the beginner) result, and one that's accessible at this point in the course. But instead, the Fundamental Theorem of Calculus is relegated to a later section, long after the "integral as an area" idea has been abandoned and students are just working with integrals as antiderivatives. (Even more curiously, there's a section entitled "The Second Fundamental Theorem of Calculus", but none called "The First Fundamental Theorem of Calculus".)
I'd highly recommend James Stewart's _Calculus_ instead of this text for a first-year calc course: the material is far better explained, and there's even a section on the inadequacies of graphing calculators (which are expensive, and which most first year students don't have the mathematical background to use properly).
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