Consider ‘sc’ - dates from 1981, still actively maintained. https://github.com/n-t-roff/sc https://github.com/n-t-roff/sc (active fork) https://en.wikipedia.o

Consider ‘sc’ - dates from 1981, still actively maintained. https://github.com/n-t-roff/sc https://github.com/n-t-roff/sc (active fork) https://en.wikipedia.org/wiki/Sc_(spreadsheet_calculator) https://en.wikipedia.org/wiki/Sc_(spreadsheet_calculator) https://manpages.ubuntu.com/manpages/resolute/en/man1/sc-im.1.html https://manpages.ubuntu.com/manpages/resolute/en/man1/sc-im.... Installable on mac and unix as ‘sc-im’