MacroCALC is a powerful Lotus compatible character based spreadsheet that supports 1000 rows, 64 columns, 40 functions, 8 display formats, file linking, macro program- ming and user definable functions.
MacroCALC is fully integrated with [nt]roff, units, man, awk, perl and sh. As it should be in the UNIX-environment, mc can act as a filter enabling users to use pipes to perform complex transforms
...Licence : Free to use but restricted