Cell formatting

[Wizzer]

Periodically, all my formulas show the formula rather than
the result. I've tried changing the cell format but it
doesn't revert. I have to close the file without saving
and then reopen. What causes this and how can I revers it?

Thanks

 

[Ron de Bruin]

Try

Ctrl ~

http://www.rondebruin.nl/print.htm#Formulas