Calculate Fields - How do I set decimal points?

How do i set 2 decimal points for calculate fields and also ',' separator for numbers?

You can find them all in the form calculation wizard.

Example:

For the decimal points, it is in the hidden options

And the comma separator function is on the function list.

Check this screenshot:

Hope this helps!

Thanks! the comma separate is it for the numerical (thousand separator)?
...

Yes, that's right. The comma separator function is a thousand separator.

Example:

12,299,200