[Yo-Yo]

I saved my pennies and bought a TI SR-52 in High School. A friend had the HP programmable equivalent.

I never could get the hang of RPN, even though it was supposed to be “faster” with fewer keystrokes.

[re_nortex]

I saved my pennies and bought a TI SR-52 in High School. A friend had the HP programmable equivalent. I never could get the hang of RPN, even though it was supposed to be “faster” with fewer keystrokes.

TI vs. HP set the stage for a whole lot of other "Holy Wars" that followed in the dawn of the tech era: vi vs. emacs, big vs. little endian, BSD vs. AT&T Unix and more. Since I had Lisp programming language background, RPN came easier to me so I had to slow down and think a bit when I had to deal with the TI notation.

[Slump Tester]

There's one on Ebay with 0 bids that starts at $250 (someone's smoking crack!)

But then there's also one that has 4 bids and is at $10.