In order, I like my HP15C, HP11C, and way behind HP48SX. And then there
is my HP25.

I originally purchased an HP35, then an HP45, then an HP25, then finally
an HP11. Which was so tough it got run over by a NY DOT dump truck and
had merely a crease above the LCD display. And is still in use 25+
years later.

I purchased the HP15C as new when I thought the 11C was lost.
Fortunately it was not. So I ended up with both (eventually).

I purchased a 48SX at a hamfest for $75. It seemed a good deal at the
time, although I had to wait about a year for the heavy tobacco smoke it
had absorbed to dissapate.

I still like my 15C the best. And it is still on it's second set of
cells since 1982, impressive.

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So, what calculators do you like best?

And, of course, why.

tom
K0TAR