Have a look how this work:
With this Excel tool you are able to determine the Piotroski F-Score for any stock within a few minutes.
The final data score and basic input parameters can be found in the worksheet "Piotroski".
The calculation is made from various other worksheets, which you can simply add or update from the Internet via copy & paste.
In the "Scores"-Worksheet you can see the Piotroski-Score for more than 500 stocks.