CompPad is a LibreOffice extension that provides live mathematical and engineering calculations within a Writer document. It is intended to provide a free / open-source alternative to Mathcad, but is not intended to be a Mathcad clone. Rather, I hope it might prove more flexible and extensible, and that it might encourage other free / open-source alternatives to a proprietary engineering "Killer App."

Features

  • Live units-aware computations in a Writer document
  • Plotting
  • Faster equation editing in Writer
  • Translations: English, Spanish, French, German, Italian, Polish, Portuguese, Dutch, Greek, Ukrainian, Indonesian and Chinese

Project Samples

Fluid Mechanics Example

Project Activity

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Categories

Mathematics, Physics, Education

License

GNU General Public License version 3.0 (GPLv3)

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CompPad Web Site

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User Ratings

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User Reviews

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  • markg11 Posted 2026-08-30
    5 out of 5 stars
    This was already a great plugin. Thanks to Toby Rule, it’s now up to date and fully compatible with the latest version of LO. Plus, the follow-up was impressively fast!
  • cser Posted 2019-04-01
    5 out of 5 stars
    Cool stuff. But works only within LibreOffice 4.1.0.4. It doesn't works in LibreOffice 6 and I can't find acceptable OpenOffice version
    Reply from CompPad
    Posted 2026-09-19
    Version 0.5 works with the latest LibreOffice
  • warren77 Posted 2013-11-21
    3 out of 5 stars
    it seems that the plug does not work properly with the latest LibreOffice
    Reply from CompPad
    Posted 2026-09-19
    This is has been remedied in the latest python-based 0.5 branch.
  • virtustan Posted 2012-11-13
    5 out of 5 stars
    One issue with this add-in (Windows XP, last ver OOo). When I insert any picture into the word processor and then try to save it the program (OOo or LibreO) crashes. But it very nice project and good luck with it. Another good extension is CmathOOoSAS
  • dzikes Posted 2012-04-24
    5 out of 5 stars
    Very nice app :)
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Additional Project Details

Languages

Chinese (Simplified), Dutch, English, French, German, Greek, Portuguese, Spanish, Ukrainian

Intended Audience

Education, End Users/Desktop, Engineering, Science/Research

User Interface

Plugins

Programming Language

Python

Related Categories

Python Mathematics Software, Python Physics Software, Python Education Software

Registered

2008-12-16
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