Try pushing F9. If that works you have calculation turned to manual. To fix:
<Tools
<Options...
"Calculation" tab
Click "Automatic"

Does that help?
--
Regards,
Dave


"KC" wrote:

I can make a formula to add up 10 + 10 and it will not calulate it for me.
Nothing works. I've been using this spreedsheet to keep up with my bills for
years and it just stopped working today.

What should I do? Thanks,