I would have given this book more stars but there are numerous typos in the equations which definitely challenges one to figure out what the author is talking about. For example, in chapter 3, page 41, the author attempts to show us how to add polynomials with the following example:



(3x(3) + 5x - 4) + (2x(4) + 7x(2) + 9) = 5x(3) + 7x(2) + 5x + 5.



(The single numbers in parentheses are exponents)



Now, 3x(3) cannot be added to 2x(4) with the result of 5x(3). Clearly the author means 2x(3) and not 2x(4), but I have not been able to find an errata sheet or list of corrections for the book online. If this was an isolated typo I wouldn't complain but I am only on chapter 3 and I have found at least 3 such errors in equations. For someone trying to learn the material it is disconcerting to say the least. Again, I do like the book as it speaks in normal language and is a good primer. Its just a shame it has so many non-trivial equation errors.

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