Let's say you have a Time Sheet where you collect the number of hours worked per day and total them in a Line Total field. Your form consists of Number controls for the hours and a Number control for the total. When testing your form, you enter values with decimal points and notice the total unexpectedly calculates to a number with many decimal places.
Method 2: You can also round numbers using the round function in the Visual Rule Builder in the format:
round(num, decimal digits)
Method 3: Another approach would be to assign that limit the number of decimal places.