Functions Index :: S :: Sum2
Sum2(val x1, val x2)
Returns the sum of its arguments. 
sm1 = Sum2(2, 2) # sm1 == 4
sm2 = Sum2(clip1, clip2) # clips can also be summed
sm3 = Sum2("ab", "cd") # sm3 == "abcd"
: The function is provided as a building block of more complex functions, particularly for operations on arrays. See the documentation of the array package and the ArrayOpFunc, ArrayOpArrayFunc and ArraySum functions.