The HP-55 Enigma

[Matt Agajanian]

Hi all.

I’m trying to make sense of the why, how, where of the HP-55. Armed with two conditional tests, no subroutines, 50 partially merged program steps, what was the intended objective of the 55?

The way I see it—with its function set, it seems a stronger scientific calculator than a programmable.

So, please enlighten me.

Thanks