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SC-IM is a spreadsheet program that is based on SC ( SC original authors are James Gosling and Mark Weiser, and mods were later added by Chuck Martin.

Some of the features of SC-IM

  • UNDO / REDO.
  • 65.536 rows and 702 columns supported. (The number of rows can be expanded to 1.048.576 if wished).
  • CSV / TAB delimited / XLSX file import and export.
  • Scripting support with LUA. Also with triggers and c dynamic linked modules.
  • Clipboard support.
  • GNUPlot interaction.
  • Key-mappings.
  • Sort of rows.
  • Filter of rows.
  • Subtotals.
  • Cell shifting.
  • 256 color support - screen colors can be customized by user, even at runtime.
  • Colorize cells or give them format such as bold or underline.
  • Wide character support. The following alphabets are supported: English, Spanish, French, Italian, German, Portuguese, Russian, Ukrainian, Greek, Turkish, Czech, Japanese, Chinese.
  • Autobackup.
  • Implement external functions in the language you prefer and use them in SC-IM.
  • Use SC-IM as a non-interactive calculator, reading its input from a external script.
  • More movements commands implemented !
  • Input and Output was completely rewritten.

About the name, the idea is that the program can be identified as another vim-like app. SC-IM stands for Spreadsheet Calculator Improvised. :-)

demo image demo image demo image demo image demo image



    vim src/Makefile
  • Run make:
    make -C src
  • Optional: You can install the binary sc-im in your system by typing with a privileged user:
    make -C src install

Building on OS X

You can follow the instructions as above, but if you would like Lua scripting support, you will need to install Lua 5.1, which you can do with,

    brew install lua@5.1

And then follow the instructions as above.

Homebrew for OSX users

brew tap nickolasburr/pfa
brew install sc-im

Ubuntu with XLSX import & export

See this wiki page.


The file ~/.scimrc contains configuration data. Here is an example.

set autocalc
set numeric
set numeric_decimal=0
set overlap
set xlsx_readformulas

Other configuration variables are listed in the help file.

Helping us

Want to help? You can help us with one or more of the following:

  • giving SC-IM a star in GitHub
  • taking screenshots / creating screencasts showing SC-IM
  • making a donation (see below).


You can help SC-IM development by making a DONATION with PayPal.

If you wish to make a donation, please click the above button or just send money to via PayPal, choosing "Goods and Services".


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