Little explorations with HP calculators (no Prime)

[brickviking]

The Casio 9750/9860-based family have Lists, which are basically single-dimension arrays of numbers, up to 999 per list (or 255 for older versions). They also have Files, which have 6 Lists (9750g+) or 26 Lists (9750gII/9860gII). Here's how I use them to emulate the behaviour of "local" variables.

I stash a complete copy of the global variables A-Z, Theta and r, into a List. I generally use the last List on the calculator in the last File so it's less likely to get in the way of already-created Lists. I can then use the variables any way I like, because I then restore the copy I stashed aside when I've finished. I never bothered using Matrix functions, as I find the existing List behaviour works for me, at least for now.

Hm, when did this particular conversation get derailed from HP explorations? :/

(Post 192)