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Review title: Has some unique advantages
Product review: I agree with several of the reviews that point out that the keyboard isn't the greatest.But what I like about this calculator (solar version) is the relatively unique power system, consisting of 1 battery plus solar. In particular, I like the fact that the calculator never goes off, and the battery keeps it on without losing the current result, even when their is no ambient light at all to give it any solar power input. Given that mine is in total darkness much of the time (e.g., overnight at least), the battery life of the solar version seems to be totally astounding (e.g., five years or so) for a machine which is never turned off. Those particular properties may not be very important to everyone, but they happen to be very important to me, and I don't know of any calculator (especially one with hex capability) that matches it.I also appreciate it's small size, which is somewhat unusual for a calculator with the functionality of this one.
