[Ezekiel]

I had one 30+ years ago. I suppose it ended up in the abyss of the kitchen junk drawer, or was lost in a move, but I sure miss it. I would spend extra time with it just for fun. :-]

Something to do with being at one with the “thought” process. I don’t know why it was called “reverse entry” because it’s the annoying equal sign that’s a$$ backwards, heh. That equal sign has been a pet peeve ever since.

I don’t use a calculator enough to justify tracking down a RPN calculator, but my old friend comes to mind whenever I open the primitive calculator on the computer.

2 + 2 = 2 ENTER 2 +

It just has more substance and meaning that way, lol. I’m sure you understand.

Thanks for trip down Memory Lane!

;-)

[re_nortex]

I’m sure you understand.

Getting well-grounded in RPN paved the way later for tweaking /etc/termcap entries back in the day. The sheer joy of nudging a terminal into working was sublime:

cs=\E[%i%p1%d;%p2%dr
cm=\E&a%r%dc%dY

[null and void]

I still have my HP-45. If I could get a battery pack, I’d still be using it!

[skinkinthegrass]

(iirc :) 6.04.2 or 10.05.1 keyboard.

[PastorBooks]

“2 + 2 = 2 ENTER 2 +”

Don’t know anything about RPN. Either that’s before my time or that I wasn’t a calculator geek. But I see the resemblance to Lisp...

(+ 2 2)