http://bugs.winehq.org/show_bug.cgi?id=30971
--- Comment #1 from Rosanne DiMesio dimesio@earthlink.net 2012-06-21 10:38:01 CDT --- I can't reproduce this. Which equation are you using? I've tried the first three, and all show up fine in the slideshow. Can you upload a file that demonstrates the problem?