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Title: "Redundancy"
Review: Do not purchase this text! The authors and publisher are misleading consumers with the belief that more information on TI graphing calculators will be acquired with the redundant information in this text.This is a false presumption on their behalf only for the sake of making an extra buck. I found out the hard way through my wallet. For example, prior to precalculus, I completed classes in Trig and College Algebra in conjunction with purchasing "Explorations in College Algebra and Trigonmetry," a text by the same publisher and authors.Now purchasing "Explorations in Pre=Calculus, I found out that both texts are exact mirror images only difference is a different title on the front cover. So buyer beware
