This function returns the number of columns in an array.
COLUMNS(array)
The argument is an array, an array formula, or a range of cells.
Accepts cell references or array. Returns numeric data.
COLUMNS(B6:D12) gives the result 3
COLUMNS(R6C2:R12C4) gives the result 3
COLUMNS($B$8:$H$8) gives the result 7
COLUMNS(R[2]C[1]:R[3]C[8]) gives the result 8
This function is available in product version 1.0 or later.
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