Calculations may be set to Manual. Click Tools-Options-Calculation. Set
Calculation to Automatic.

HTH,
Paul

"Brittany" wrote in message
...
I am working on an excell spreadsheet for my boss its a timesheet for
payroll
and it says my formulas are all correct but when i enter the hours the
formulas dont automatically work until i click on the cell that contains
the
formula and click enter then it works fine does anyone know why this is
happening and how i can change it???