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A comment on Why, pray tell, is a Pre-Calculus book $235?.

Re:Why, pray tell, is a Pre-Calculus book $235? by thejteam on Wednesday February 04, 2015 @02:13PM (#8998960)
I won't defend $235, but a textbook is more than just explaining the math. Developing the problem sets is a lot of work. This costs money, even if you are using low-wage graduate students.

And problem sets need to be updated or they will feel dated very quickly. Especially if you are supposed to be using technology to help solve the problem.

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Re:Why, pray tell, is a Pre-Calculus book $235? by IndianAstronaut on Wednesday February 04, 2015 @02:40PM (#8999141)
I understand this if this is brand new material and you need people to develop teaching methodologies for this new materials and problems to solve. But precalculus is a very old subject and people have been generating problems and guides for it for generations.
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