text is invisible

[learningaccess]

Hi....

Boss is working on a spreadsheet.. When he does a formula in a cell the
result comes up invisible.. tried changing text and fill color to black/no
fill... any advice??? Doesn't seem to work.

Please help.. urgent!

 

[Bob Umlas]

What's the formula? What are the contents of the cells referenced?

 

[David Biddulph]

Have you looked at Conditional Formatting?