Syntax:
FLIP(array)
Swaps rows around the middle row of an array or range of cells.
Examples:
FLIP({1;2;3})
returns the array {3;2;1}
FLIP(A1:C2)
returns the array {A3,B3;A2,B2;A1,B1}
.
SET_VALUE(D1:E5, FLIP(A1:B5))
would turn (a copy of) the cells A1:B5
upside down and write them into the cells D1:E5
.