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I still have a Canon LC-34T pocket calculator with, of all things, an alarm clock. It takes two LR-44 batteries that are easily replaced by sliding a small cover off the back, dumping the batteries out, installing two new ones and sliding the cover back on. I even still have its folder/cover and the instruction manual. I've only ever seen one other, and that was within the last year or so and it wasn't even in person, but online and it was in terrible condition. The vinyl cover is a little wavy, but other than that it's still in perfect condition. Even the battery compartment is still spotless.
I also still have, and I don't know from when exactly, but either 1984 or 85, a Casio FX-300 solar scientific calculator. I bought it brand new at the beginning of my junior year of high school, which started in 1985. It's not quite in the perfect condition that the Canon is, but it's not too far from it. It also has a vinyl folder, and like the Canon, is also a little wavy. Unfortunately I don't have the manual for it anymore. It got me through both my junior and senior years, plus whatever normal usage I've needed it for over the years. The only thing I never really liked about it is that it doesn't have a regular battery, so it has to be aimed at a light source to work. This wasn't a problem while I was in school because there were rows and rows of lighting directly overhead at all times. My son needed a scientific calculator last year and the year before for his junior and senior years of high school. Both years, I asked him at the beginning of the school year if he wanted a new one or if he wanted to use mine. Both years he turned down the chance to get a brand new one, and said he'd rather use mine. I had him check with his teachers to make sure it had all necessary functions, and they said it had everything he needed, so he used it for two years with no problems. It would be awesome if some time down the road, it's still around for one or more of his children to use.
I also still have, and I don't know from when exactly, but either 1984 or 85, a Casio FX-300 solar scientific calculator. I bought it brand new at the beginning of my junior year of high school, which started in 1985. It's not quite in the perfect condition that the Canon is, but it's not too far from it. It also has a vinyl folder, and like the Canon, is also a little wavy. Unfortunately I don't have the manual for it anymore. It got me through both my junior and senior years, plus whatever normal usage I've needed it for over the years. The only thing I never really liked about it is that it doesn't have a regular battery, so it has to be aimed at a light source to work. This wasn't a problem while I was in school because there were rows and rows of lighting directly overhead at all times. My son needed a scientific calculator last year and the year before for his junior and senior years of high school. Both years, I asked him at the beginning of the school year if he wanted a new one or if he wanted to use mine. Both years he turned down the chance to get a brand new one, and said he'd rather use mine. I had him check with his teachers to make sure it had all necessary functions, and they said it had everything he needed, so he used it for two years with no problems. It would be awesome if some time down the road, it's still around for one or more of his children to use.
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