[krazykringle]

Consider ‘sc’ - dates from 1981, still actively maintained.

https://github.com/n-t-roff/sc (active fork)

https://en.wikipedia.org/wiki/Sc_(spreadsheet_calculator)

https://manpages.ubuntu.com/manpages/resolute/en/man1/sc-im....

Installable on mac and unix as ‘sc-im’