For X86 or ARM if possible.
The latest verson is 7.16 I believe:
https://github.com/dkastner/scI don't spend all my time in the gui, where gnumeric might be a more appropriate choice. And, I don't plan on running any corporate spreadsheets with it.
But it has been a hand utility for my smaller stuff. CLI guys might dig it.
John E Floyd at the University of Toronto has produced a nice mini-manual of it in pdf form.
Just trying to keep things small and light...