Title: Great Tool
Review: The TI89 is a very powerful tool. I have only one regret. Two years ago I purchased the 89 for my High School Algebra II class. It was too much calculator too soon. I became dependent on the thing, and missed entire concepts of the course because I figured I would do them on my 89. Like another reviewer said, I felt like I was cheating on every test. However, I have recovered and am now able to take the concepts I ACTUALLY LEARN and expand upon them. My advice is to not purchase this until your last year of high school (unless you are in advanced courses)!PS: Lots of programs on ticalc.org
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