ARRAYFORMULAEnables the display of values returned from an array formula into multiple rows and/or columns and the use of non-array functions with arrays.
Sample Usage
ARRAYFORMULA(SUM(IF(A1:A10>5, A1:A10, 0)))
ARRAYFORMULA(A1:C1+A2:C2)
Syntax
ARRAYFORMULA(array_formula)
array_formula – A range, mathematical expression using one cell range or multiple ranges of the same size, or a function that returns a result greater than one cell.
Notes
Many array formulas will be automatically expanded into neighboring cells, obviating the explicit use of ARRAYFORMULA.
Pressing Ctrl+Shift+Enter while editing a formula will automatically add ARRAYFORMULA( to the beginning of the formula.
Note that array formulas cannot be exported.
See Also
ARRAY_CONSTRAIN: Constrains an array result to a specified size.