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Review title: This book sucks a--
Product review: This is the worst hack job I have ever seen. It should really be called, TI-89 for imbecile sucker fools. The book rushes through various functions without giving a single example of anything that the user can practice. In many places not enough information is even given to do a simple task. This book is best suited to kindling for your wood stove. Winter is almost here. Be smart and get a real book that has real math exercises in it.
