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RPN scientific calculator

RPN scientific calculator

RPN scientific calculator

(OP)
Sorry for this totaly off-topic question, but I found no other forum and I hope someone can help me.

I'm looking for a RPN (Reverse Polish Notation or Postfix notation) calculator that is not to expensive and can do trigoniometric (sin, cos, tan and their hyps). HP seems to leeve the RPN path and only offers it for the high-end (expensive) scientific calculators and financial calculators which lack the trigoniometric functions.

Thanks in advance,

Mik

RE: RPN scientific calculator

Oh, like the five that have here in my desk.
What you want is an old HP15C.
I have a 42S also, it is newer and I don't think that was that expensive.  You don't my old 25C or 29C.

Aren't they still making the 33S?

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