DIFFERENCE

Given two sets A and B, the DIFFERENCE function returns a new "A minus B" set, that is what is left of A after removing the domains that A and B have in common.

For example, given these two sets:

setOne:
    1
    1.01
    1.15
    1.17

setTwo:
    1.01
    1.15
    1.18

the statement:

var diff = DIFFERENCE(setOne, setTwo);

defines and populates the diff set this way:

1
1.17

The members of setTwo are subtracted from setOne. Domain 1.18 does not belong to setOne, so it cannot be subtracted.

The syntax is:

DIFFERENCE(set1, set2)

where set1 and set2 are set variables.