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Review title: Required Standard
Product review: I owned this calculator for 13 years before it completely died after I severely damaged the solar charger. To say it's durable would be an understatement. In my later college years, I preferred using this portable calculator over my graphing calculator for most purposes.PROS: It lasts a long time and suffers little damage when tossed/thrown around (I don't recommend purposely slamming rocks against it). It's basic design is easy to navigate. I never needed to replace the battery inside. It fits nicely in my back pocket.CONS: It can't (or shouldn't) be opened. The keys require a bit of force.IMPORTANT - The TI-30 series in general is often the among the few allowed calculators on certain exams and classes. I know that the Engineer-in-training exam uses it as well as some college courses that restrict calculator use (some of my roommates have borrowed my calculator for entire semesters).Overall a solid calculator, and I will be buying a second one once I get around to it.
