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Review title: Dreadful feel, greadful reliability
Product review: I bought 25 of these for my classes to use during exams. About 6 years later only 5 work. The displays of the rest have some non-functioning segments, ranging from 2 segments to all of them! It looks like they perform the calculation correctly but do not display the results properly. Changing the internal battery had no effect. They will have to tbe trashed.Also, the buttons have to be pushed hard and rock while being pressed so the tactile feedback is variable and overdone. Worst calculator I have ever encountered for the feel of the keys.Don't even consider buying this very old model.
