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Posted By Peter Bentley
Another nice email from a reader of The Book of Numbers. Always appreciated!

I just finished reading your wonderful book. I wish I had a copy of this book before I started teaching HS math 12 years ago! Among the many great stories of the greats in the book, I also found countless facts which clarified and improved my own approach to teaching math. I have been telling my algebra and geometry kids for years, for example, that the word "tangent" has different meanings in math (sometimes a line touching a circle, sometimes a trig function), but now I know they're one and the same! I have also been telling my kids that one day we will be able to divide by zero, and when that happens we will develop new technologies just as the knowledge of complex numbers laid the foundation for electric power; well, your demonstration of the division algorithm regarding the issue made it clear that a division by zero is meaningless in any math like ours since if a/0 = b then a must be zero, which is normally not true; also the discussion of indeterminate forms was very enlightening and now, believe it or not, I'm skeptical about the use of the infinity symbol at all, even in calculus--but that's another story...

I would like to purchase a copy of your book for all my most promising students to read. Thanks again and yours truly,

2 Comment(s):
Peter Bentley said...
Hi Linden, Thanks for your message. I'm guessing you have the US version of the book, which has got most (and maybe all) of the editor's errors already corrected. (The UK one had the most problems.) I'm emailing you the file in case you'd like to check for yourself. Peter.
September 9, 2009 14:17:34
Linden Van Wert said...
Hello-- Just trying to get to the amendments page. I get a blank page which the computer labels as "Done." I'd love to include your book on a middle school booklist. Thanks for the help! Linden Van Wert, Librarian The Seven Hills School 974 N. San Carlos Drive Walnut Creek CA 94598
August 29, 2009 03:43:09
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