Hilmar I've tested this and works have you put the CLEAR the exact line in the GotFocus?

>>You don't have to do the following:
>>GotFocus Event of the textbox
>>

ON KEY LABEL '.' KEYBOARD ',' CLEAR

>>LostFocus Event of the textbox
>>

ON KEY LABEL '.'

>>This will work and solve your problem.
>
>... KEYBOARD "," converts periods to commas, alright. The problem is that the cursor jumps to the beginning of the textbox!
>
>I had decided to postpone this problem - but as you can see, I am sort of addicted.
>
>Hilmar.