LET

assigns names to values in a formula · from excel · excel: verified match · sheets: verified match

signature

LET(name1, name_value1, calculation_or_more…)

returns: any

argumentrequired
name1 required
name_value1 required
calculation_or_more… required

examples

formula and result, taken from the engine's own test suite — every result below is asserted in CI, not written by hand.

fx =LET(x, 2, x * 10) 20

errors

error values observed from the engine — each with a call that produces it.

errorproduced by
#ERROR! =LET(x,1,x,2,x)

related

  • ARRAY_CONSTRAIN truncates a range to at most the given rows and columns
  • ARRAYFORMULA evaluates an expression across a range (this engine already spills, so it is a pass-through for sheets compatibility)
  • ARRAYTOTEXT converts array to text representation
  • BYCOL applies lambda to each column of array
  • BYROW applies lambda to each row of array
  • CHOOSECOLS returns the specified columns from an array