SUBTOTAL function returns a subtotal of given list of arguments. @function_nbr is the number that specifies which function to use in calculating the subtotal. The following functions are available:
1 AVERAGE
2 COUNT
3 COUNTA
4 MAX
5 MIN
6 PRODUCT
7 STDEV
8 STDEVP
9 SUM
10 VAR
11 VARP
This function is Excel compatible.