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Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks
by Michael Shermer
Edition: Paperback
Price: $9.90
164 used & new from $3.54

59 of 66 people found the following review helpful
4.0 out of 5 stars Great Book But Kindle Version Needs Improvement, October 13, 2010
I have bought a number of different books like this to find different ways to help my 14 year old who struggles with arithmetic and is falling behind in school as a consequence. I find this to be the best of them because it has all of the techniques found in other books in one place. The light hearted presentation is really great and the author really helps by suggesting ways to think e.g. How to talk in your head. More importantly, the techniques appeal to my kid and he is making progress.

My only beef is with the kindle edition. No hyperlinks between exercises and corresponding answers plus the examples are presented as images so they don't increase in size when you choose a different text size for reading. I think Kindle editions should take steps to exploit the different medium and not just replicate the hardcopy. You can zoom in on those images but it is cumbersome. If you don't absolutely need the ebook I recommend choosing the hardcopy version. On a positive note the kindle edition does not appear to be plagued with copious spelling errors like so many other titles.

Update: Despite the positive comment regarding the lack of spelling errors, there are still several typos in the kindle edition of the book that other reviewers have pointed out including the use the + symbol for addition when the multiplication symbol should have been used.
Comment Comments (2) | Permalink | Most recent comment: Oct 12, 2014 5:26 AM PDT


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