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Math formulas broken after upgrade [closed]

asked 2014-11-11 08:59:38 +0200

L-user gravatar image

updated 2015-08-29 20:40:49 +0200

Alex Kemp gravatar image

I installed LibreOffice few days ago. I haven't used Math for about one year. I just didn't need it. Now probably after several LibreOffice upgrade (like 4.2.X) I opened Math document and I see documents totally broken. Instead of "+", "-", "<", ">" characters I see telephone characters, letter character and other strange characters.

I thought it is font problem, so I changed all fonts to Arial, but the problem is the same. See print-screen:

Is this some bug or is there some setting I can influence this strange characters?

P.S. I can't upgrade to 4.3.X, because LibreOffice is totally crashing every few second. See:


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Closed for the following reason the question is answered, right answer was accepted by Alex Kemp
close date 2016-03-06 01:32:01.377780


If 4.3.x is crashing, something else is off.

rautamiekka gravatar imagerautamiekka ( 2014-11-11 12:42:14 +0200 )edit

I completely agree. It got to be some other problem (maybe bug).

L-user gravatar imageL-user ( 2014-11-12 08:10:28 +0200 )edit

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answered 2014-11-11 09:44:20 +0200

Regina gravatar image

Make sure the OpenSymbol font is installed, see fdo#76239 and its duplicates. When you make an administrative installation, you will find the file opens___.ttf in folder Fonts. Or get it from

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That's it. I did the following:
1. Click on to download a file.
2. In Windows Explorer double click on downloaded font file and click Install button at the top of window.
3. Open LibreOffice Math and type in formula. Problem solved.
Thanks a lot for this. I was really in rush and I needed an instant help.

L-user gravatar imageL-user ( 2014-11-12 08:10:01 +0200 )edit

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Asked: 2014-11-11 08:59:38 +0200

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Last updated: Nov 11 '14