Title: Strong, Sturdy, and Robust
Review: I used my TI-86 from high school through a Bachelor's in Electrical Engineering. I still use the TI-86 today, and it works perfectly.My TI-86 WAS RUN OVER BY AN SUV, and it still works perfectly!Its has a robust feature set, including matrix operations, unit conversion, stats, complex numbers, polynomial solvers, support for hex/binary, and more.And it's easy to program, in case you need to customize things.Some friends swear by the HP calculators, which are apparently superior once you get used to the reverse-polish input notation. I never tried them out myself.
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