Title: Not So Good If Keys Go Bad!!
Product review: Well, it worked for sixteen months before numeric keys 5 and 6 stopped working -- four months beyond the warranty limit. When comparable Sharp calculators were still being made in Malaysia they were excellent. Granted, this one may have more features but what good is it with two bad keys? I probably will not buy the Sharp brand again if I have a decent alternative. I own another Sharp model, the 516, which I bought at the same time and it is still working fine (for now, that is). They are certainly feature-rich, but I don't want to buy a new one every 1-2 years -- that is ridiculous.I have a Casio solar-powered calculator purchased in the early 1980s. It only stopped working properly about three years ago, so that Casio provided me considerable service for 25 years. Its failure led me to buy several new ones for home and work, but, may I say, they sure don't make them like they used to! Has it become a race to the bottom for quality of components and manufacturing?
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