Converge Computation
A
1 [1,3,7,null,2,3]
2
=A1.len()
3
=A1.count()
4
=A1.sum()
5
=A1.avg()
6
=A1.max()
7
=A1.min()
8
=A1.rank()

Of A2~A8 the computations are as follows: