Rating: 
Summary: Overwhelming
Review: Grimaldi's examples are very terse. His answers to his exercises are even worse. A study guide that showed the reasoning behind his answers would be very helpful. As it is, his "solutions" often present only the solution and none of the steps. I'm not sure how he's getting good reviews on his book. In my 3 years of college math, Grimaldi's is the most difficult book I've ever had the displeasure of learning from. I can't wait to sell it back.
Rating: 
Summary: Needs more explanation; explanations are too concise.
Review: I needed this book for my CPSC 2405 class. My class was warned at the beginning of the semestre, by the teacher, that a lot of the material will be confusing and the book probably won't assist you very much if you don't already have a basic idea of what to do. He was right. A lot of examples are provided. I am gratefull for this. But, his explanations are far too concise and compact for easy learning. This book would be much more usefull, if more time was spent explaining the theories and techniques and not just showing us how to apply them.
Rating:
Summary: Boring
Review: I sat in my apt. about a week before a test and felt inspired to read some math. Then I opened this book, and it all flew away. That's a good way to describe it. It has a REALLY AWFUL layout! A true inspiration turnoff. The only good thing I have to say about it is that it has a whole bunch of helpful examples.
Rating:
Summary: Poor excuse for a textbook
Review: I used this book for a Discrete math class I took. I found it generally confusing and poorly written. I was so exasperated with the book, I was tempted to give it to an NRA member for target practice. Now, when I need to look something up, I refer to Edward Scheinerman's book or Susanna Epp's excellent Discrete Math text. Zamir Bavel's "Math Companion" is also excellent. Grimaldi is fine for math geniuses, but since I'm not one and neither is anyone taking Discrete math for the first time, it's a useless book.
Rating: 
Summary: Good book!
Review: I used this book for my second year discrete math course and I found it quite useful. The book covers a whole lot of material and therefore it is great for an introductory course but does not get into them too deep. If you need further explanation on something there are references listed at the end of each chapter.
There were two major problems with this book however, one of them being some of the examples used in the book are too simple and trivial and the tougher problems are left for the reader as an exercise. Also the solutions to the problems in the book contain only the final answer and no further explanation.
Rating:
Summary: Clear, structured and understandable math
Review: I'm a student at a Dutch university and I've been using this book for almost 3 months. I've used the first 250 pages (about couting, logic, set theory, mathematical induction and relations & functions) and 150 pages about graph theory. Good things:
- good intoduction (explaining the dependence of chapters on prior chapters)
- many examples
- summaries with a historical review
You can use this book as a reference or as a study book.
This is the best math book I have used until now.
Rating: 
Summary: #1 discrete math book
Review: In my oponion this book is excellent. It is clear and full of useful examples and worthy problems. The style of the auther is very nice. He solves the examples by explaining wrong ways which many of students may think of as correct ways. This characteristic is one of the best points about this book.
Rating:
Summary: The best one about the subject
Review: In my oponion this book is excellent. It is clear and full of useful examples and worthy problems. The style of the auther is very nice. He solves the examples by explaining wrong ways which many of students may think of as correct ways. This characteristic is one of the best points about this book.
Rating:
Summary: It is possible to study on your own
Review: It is common to feel you need someone to explain what you are reading while studying from a book and even more if the subject is mathematics. That is what surprises readers while starting to explore this interesting book.
At the beginning it is hard to believe how simple it becomes to understand the different topics. That is a consequence of the easy way readers assimilate what is learnt by analyzing general and particular examples. That is the way in which the book presents the different units: the usual incomprehensible explanations are replaced by a lot of short examples which are easily understandable. Students not only feel they understand what they read but also enjoy and are attracted by a subject that is nice when comprehended.
Even if it seems to be too long, its more than eight-hundred pages do not reflect the period of time which takes to learn each unit. They are considerably short and are also divided in sections that reduce the difficulty of continuous reading, especially after having stopped for a wile, leaving aside the need to go over the last pages.
I consider this is a recommendable book for those students who are studying all the mathematic points which are analyzed in the volume. I believe it is the best complement for daily classes or a good option to study on your own.
Rating:
Summary: Excellent book for an introduction to Advanced Algebra
Review: Plenty of excercises and answers. Very well explained; this book is a must for those who want to learn combinatorics, elementary graph theory, and many other extremely useful topics.
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