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This function returns the number of areas in the specified reference.
AREAS(reference)
Specify the cell reference for the argument.
In this function, single argument can refer to multiple areas. To do so, extra set of parentheses is used.
Accepts cell reference for argument. Returns numeric data.
AREAS(B7:D9)
gives the result 1
AREAS((B2:D4,E5,F6:I9))
gives the result 3