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On Sat, Dec 2, 2017 at 11:19 AM, James H. H. Lampert
<jamesl@xxxxxxxxxxxxxxxxx> wrote:
On 12/2/17, 5:54 AM, Rob Berendt wrote:

Reminds me of some really weird calculator they had in the business
machines class at my old HS. Something about "reverse Polish notation"
comes to mind.

HP calculators are famous for this. They have a cult popularity both
in scientific and financial communities.

Yes. Postfix and Prefix notation were invented by Jan Lukasiewicz, a Polish
logician and mathematician. The "reverse" part comes from Lukasiewicz's
original idea was a Prefix notation, rather than Postfix.

Still, the term *sounds* like a bad ethnic joke, to those who don't
understand the origin.

Indeed. But if "Polish" means stupid, would "reverse Polish" mean smart?

John Y.

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