Returns the value with the corresponding index position. When an index number is provided and a corresponding value does not exist, a Null result is returned.
index number (required) The index number of the value returned. Index value needs to be a number, a formula or column that references a number.
value 1 (required) The values from which to choose. At least one value must be provided.
value 2+ (optional) Additional values are optional.
Logical functions test for True/False values. They evaluate a condition, and return a value based on whether the condition is True or False.