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Nice TI-30X solar calculator in the detached garage. End up using it pretty much every time I'm out there. It's cheap and tough, with a hard shell cover to ke
by topspin 3y ago
Nice TI-30X solar calculator in the detached garage. End up using it pretty much every time I'm out there. It's cheap and tough, with a hard shell cover to keep the 50 different kinds of liquids off the keys.
TI-82 at my desk, which I never use because I have multiple other ways to calculate stuff at my desk.
Sharp EL-506D I've had since probably before 1990 in a bed stand with the manual. Small and elegant device. The small calculators around today are all limited adding/multiply/divide, whereas the Sharp is a "scientific" calculator.
The thing I do most basic calculation with, however, is SpeQ Mathematics 3.4, which was developed by Jos de Jong and hasn't been updated since 2010. That is a truly beautiful bit of code.
- mindcrime 3y agoSharp EL-506D I've had since probably before 1990 in a bed stand with the manual. Small and elegant device. Nice to see another EL-506 user here. I've had mine since around my freshman year of high school, so 1987 or so. It still works, although it has some issues. I think one of the screws that holds the back cover on is missing, and the LCD has gotten a bit dim. I rarely touch it anymore, but it was a reliable and handy companion for many years.
- bee_rider 3y agoSimilar, I’ve got a TI-30 on my desk and a TI-89 (if I recall correctly) somewhere in a box or drawer. I got pretty good with the 89 in high school and college, and it served me well on tests. But anything it can do, that the 30 can’t, is better served by a full computer.