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HP 12C. The best RPN calculator ever created. Mine is over 20 years old and still going strong. https://en.wikipedia.org/wiki/HP-12C https://en.wikipedia.org/wi
by tamade 5y ago
HP 12C. The best RPN calculator ever created. Mine is over 20 years old and still going strong.
https://en.wikipedia.org/wiki/HP-12C https://en.wikipedia.org/wiki/HP-12C
- djmips 5y agoI got a 16C from my father as graduation gift and almost 40 years later I still use it.