Computes the total number of unique combinations for a defined collection.. Fractional parts are ignored. Negative numbers in cause an error.
Syntax
COMBIN(objects, objectset)
Arguments
objects - the total number of objects in the collection.
objectset - the number of objects that comprise a set.
Example:
COMBIN(4,2) = 6.
In other words, 4 objects named A, B, C, D could exist in the following two object sets: AB, AC, AD, BC, BD, CD. Thus there are six unique possibilities in the collection.