Dear Helge & Vincent Thankyou for your speedy responses. Turning off "instant preview" worked.
You've made a PhD thesis writing student alot less stressed! Thanks again Sam On Monday, 24 August, 2009, at 03:41PM, "Vincent van Ravesteijn - TNW" <v.f.vanraveste...@tudelft.nl> wrote: > >>> When I've written a math formula, whether it be inserted into the >main >>> text or as a numbered equation, the text size becomes huge with the >>> formula usually disappearing off the end of the screen. If you then >>> reselect the formula, as if to edit it, it then shrinks back to >normal >>> size. I am doing something obviously wrong? >>> >>Looks like a problem with instant preview - but I don't know >>how to fix that. Take a look at "Tools->Preferences->Screen Fonts", >>see if there are any strange sizes or zoom factors. >> > >Or, look at Tools->Preferences->Graphics and set Instant Preview to Off. > >Or, have a look at your preferences file in the LyX dir in your user >directory and look for some magic entry saying something about the size >of previews: '\\preview_scale_factor'. If it's there and it's not 0.9, >start wondering how it got there. > >Vincent > >