Limit number of digit

Hi every body
I want to limit the number of digit in calculation between 2 decimal fields. I want the result of the calculation with only one digit after the decimal (ie: 2.16556 to 2.2).
How can I do it.
Thanks for your help!


There are some examples of doing these types of Significant Figure validation conditions on this wiki page.


Perfet Clayton. Thanks a lot. It’s work very well !