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ExpressionsinBar is a simple menubar application which provides powerful computer-aided algebra computations. A mathematical expression entered in the popup window is immediately computed and the result is displayed in an associated subview window. With the drag-and-drop feature, results are easily copied into text editors such as Pages or Microsoft Word, or presentation programs such as Keynote or Microsoft PowerPoint. The algebra functionalities include:
  • Constants (?, e, etc.)
  • Integers, fractions, floating numbers
  • Sequences, lists, vectors, matrices, strings
  • Operators (+, -, *, /, more...

What's New

Version 0.8:
  • Services integration - access the powerful tools within other applications, such as Word or Textedit:
    • Replace Selection by Result
    • Replace Selection by Result in LaTeX format
    • Replace Selection by Image of Result
  • Other Fixes:
    • Minor bugs


  • OS X 10.7 or later

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ExpressionsinBar User Discussion

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Hervé 5 Member IconReview+50
Hervé 5

I use version 0.1, which is already quite cool (and was free).
The underlying formal math "motor" behind it is the open source XCAS development, http://www-fourier.ujf-grenoble.fr/~parisse/giac.html , whis does has an OSX implementation, but not as a fast menu item ;-)
Indeed I'm considering paying now.

Reply0 replies
Version 0.6.1
Nicksloan Member IconComment+81

Dev link on this page seems dead, though www.alelvisoftware.com finds the site. System requirements seem to be 10.7+, not 10.6+ as shown on MU. In any case, does not work for me on 10.6.8. Shame, looks interesting.

Reply1 reply
Version 0.1.0

System requirements 10.6+ seems to be fixed in version 0.2. Works fine for me.

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Version 0.3
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Version 0.1.0
> 5 3


Current Version (0.x)


Downloads 3,187
Version Downloads 110
License Commercial
Date 24 Jan 2014
Platform Intel 64 / OS X
Price $2.99