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The Calculus Direct: An intuitively Obvious Approach to a Basic Understanding of the Calculus for the Casual Observer

3.6 out of 5 stars 58 customer reviews
ISBN-13: 978-1452854915
ISBN-10: 1452854912
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Product Details

  • Paperback: 98 pages
  • Publisher: CreateSpace Independent Publishing Platform (May 14, 2010)
  • Language: English
  • ISBN-10: 1452854912
  • ISBN-13: 978-1452854915
  • Product Dimensions: 8 x 0.2 x 10 inches
  • Shipping Weight: 9.8 ounces (View shipping rates and policies)
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (58 customer reviews)
  • Amazon Best Sellers Rank: #1,429,938 in Books (See Top 100 in Books)

Customer Reviews

Top Customer Reviews

By Ivy Reisner VINE VOICE on October 29, 2010
Format: Kindle Edition Verified Purchase
I spent so many hundreds of dollars, and uncountable hours, trying to learn calculus in college. Total rip off. All I really needed was this $3 book and maybe a week of quality reading time. I'm at the halfway point and I already know more than all those college classes were able to teach me. I feel comfortable with math, something I never thought would happen.

If you're a student, buy this.

If you're struggling with math, buy this.

If you want to try again to master the math that was so bewildering in college, buy this.

If you just want an interesting and engaging read, buy this.

If you're a mathematical genius who does anti-derivates to lull yourself to sleep at night, you can give it a skip.

BEST MATH BOOK EVER!!!
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The book does what it promises , it is not for advanced learners , it is meant for people with little or no background in calculus. It has very few problem sets and does not cover topics like Maxima or Minima, but the purpose of the book is to make you understand what Calculus does and it does a very good job of it. It holds your hand and gently explains what essentially you are doing when you do differentiation or integration conceptually. Which is very critical for clarity and once you have understood this basic you will be willing to go ahead and read a more advanced text on the subject with little fear and more understanding. Even you don't you well have gained a basic understanding of the concepts but my guess is you will !
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The text is very clear and well written.
The price is very reasonable.
The graphics are completely illegible on a Kindle2. This problem has presented itself on many other potentially useful books on the Kindle format. Many times the image is just pasted in without any regard for resolution. Please! make the graphics to suit the device so that the book can be enjoyed the way it was intended.
13 Comments 98 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Very seldom does have I read a book on Mathematics that treats its subject so well. From the start, covering the why of arithmetic to the excellent explanation of Integration by Partial Fractions to the end, where the author presents Applications of Calculus, the book is easy to read, easy to understand and doesn't treat any subject trivially. While there are no rigorous proofs in this book, it does present the "WHY" of what you are learning and sets one up to go out and find or perform the proofs if you want to.

I have a good background in Calculus, but it was a struggle to learn initially. Because of this, I appreciate an excellent explanation of the subject. I read this book in an evening, and came away with an even BETTER understanding an appreciation of the beauty of Calculus.

And finally, a statement one doesn't hear too much about Mathematics books, it leaves you wanting MORE by the same author.

Excellent.
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This is a book that takes you from addition to calculus in just a few chapters. The author demonstrates how concepts are built upon each other such that the relationship between addition and multiplication and between multiplication and exponents seems intuitive. This way of presenting the material made much more sense to me then the rote memorization I was taught in school. I definitely recommend this book to anyone interested in calculus. Especially for young people who haven't reached the calculus level yet, this would provide great foundation for what you will learn in school.
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I got the Kindle version, which is cheap (only $3.00). I would have gladly paid more for a version which included a Table of Contents and Subject Index.
I have flipped over most pages of the book and it seems to be a great learning resource. The only problem is You don't know what's included in the book or where to find help on a particular topic unless you read the whole book.
I don't know if the paper version includes a Table of Contents and subject index but I'm guessing it does not, because in the preview pages they don't show and Amazon always includes them in the preview.

If it was a PDF I would do a Table of Contents with links to sections and subsections myself, but being a Kindle version I don't know how to do it.

Alberto Odor, MD
University of California - Davis

TWO WEEKS LATER:
I could convert the Kindle version to RTF format and created a Table of contents in Word which I then exported to PDF. It is 7.5 x 5.5 inches so it shows perfectly on an iPad and the table of contents is linked to the sections in the book. I have raised it fro *** to ***** as I have read the whole book now and it has helped me a lot with my calculus skills. I wish I had the authors email address to send him a copy of the edited PDF.
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Ok as far as it goes--- which is not very far. I had bought the book trying to investigate different approaches to teaching calculus and was pleased to see that the author was a teacher at a community college which I have been for the last sixteen years. Eagerly digging into the pages that followed I found myself scratching my head trying to figure out how a student could gain anything but a less than perfunctory understanding of calculus from this book. In fairness the author takes on the herculean task of trying to bring students from a developmental mathematics level into the bright shining light of calculus in a mere 98 poorly formatted pages. Starting at addition the topics chosen meander through arithmetic and algebra bypassing trigonometry altogether to end up at calculus at approximately the midway point of the book- needless to say this tornadic approach leaves many topics untouched. The calculus part of the text highlights the derivative and integral and ends on some examples of how calculus can be used in different fields. Limits, a foundational idea in calculus, are barely discussed but unexpectedly techniques such as integration by substitution and parts are introduced. I understand the desire to introduce students to the ideas contained in calculus but the approach taken in this book lacks mathematical rigor while at the same time delivers a less than true working knowledge of the topic. When I bought the eBook I was hoping to enhance how I explain calculus topics to struggling students in different ways but after reading this text this quest is yet unrealized.
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