formulas show up as black blocks. why?

[clearyar]

I receive powerpoint slides from my lecturer at college, and all the
text and pictures are fine, but math formulas come up as a black block
for each symbol used. The same .ppt file is fine on my pc version of
powerpoint. Can anyone help?

 

[picardmeisterNO]

Have you tried what's suggested at
http://groups.google.com/group/microsoft.public.mac.office.powerpoint/msg/7987958fb3bfb414?

Please reply as to whether or not it helps for you.

 

[clearyar]

Thanks Buddy

I can now see equations on powerpoint. You are a champion.