IF()

Either/or conditional evaluation

Returns the results of an either/or conditional evaluation. If the initial argument evaluates as TRUE, returns the result of evaluating the second argument; otherwise, returns the result of evaluating the third argument.

Sample usage

IF(TRUE, "Yes!", "No!") returns Yes!

IF(FALSE, "Yes!", "No!") returns No!

IF((1 > 0), "Yes!", "No!") returns Yes!

IF((1 < 0), "Yes!", "No!") returns No!

IF(ISBLANK(""), "Yes!", "No!") returns Yes! See also: ISBLANK().

IF(NOT(ISBLANK("")), "Yes!", "No!") : No! Equivalent to IF(ISNOTBLANK(""), "Yes!", "No!"). See also: ISNOTBLANK(), NOT().

IF(([Count] < 0), 0, [Count])  returns 0 if the Count column value is less than zero, or the value itself if zero or greater. Equivalent to MAX(LIST(0, [Count])). See also: LIST(),  MAX().

IF(([Date] = TODAY()), TRUE, FALSE) : Returns TRUE if the Date column value matches today's date; otherwise, returns FALSE. Equivalent to ([Date] = TODAY()). See also: TODAY().

IF(USERSETTINGS("Names in uppercase?"), UPPER([Name]), [Name]) returns the Name column in all uppercase letters if the value of the Names in uppercase? user setting is TRUE; otherwise,  returns the Name column value unchanged. See also: UPPER(), USERSETTINGS().

IF(ISNOTBLANK([Phone Number]), [Phone Number], "(no phone)") returns the column value if the Phone Number column value isn't blank; otherwise, returns the text (no phone).

IF(ISNOTBLANK([Customer].[Discount Rate]), ([Price] * [Customer].[Discount Rate]), [Price]) : If the customer has a discount, the discounted price is returned; otherwise, the original price is returned.

Leap year?

IF(
  (
    MONTH(
      DATE(
        "2/28/"
        & YEAR(TODAY())
      )
      + 1
    )
    = 2
  ),
  "leap year",
  "not leap year"
)
  1. TODAY() gives today's date.
  2. YEAR(...) gives the year of the given date.
  3. "2/28/" & ... constructs a Text value in MM/DD/YYYY-format date for February 28 of this year.
  4. DATE(...) declares the constructed Text value a Date value.
  5. DATE(...) + 1 adds one day to the given date.
  6. MONTH(...) gives the month number of the computed date, 1 to 12, where 1 is January and 12 is December.
  7. ((...) = 2) asks whether the month number is 2 (February).
  8. IF(..., "leap year", "not leap year") gives leap year if the day after February 28 of this year is in February, or not leap year if not.

See also: DATE(), MONTH(), TODAY(), YEAR().

Weekday or weekend?

IF(
  IN(
    WEEKDAY(TODAY()),
    LIST(1, 7)
  ),
  "It's the weekend!",
  "It's a weekday."
)
  1. TODAY() gives today's date.
  2. WEEKDAY(...) gives the weekday number of the given date, 1 to 7, where 1 is Sunday and 7 is Saturday.
  3. LIST(1, 7) constructs a list of two numbers: 1 and 7.
  4. IN(..., ...) asks whether the computed weekday number is present in the constructed list.
  5. IF(..., "It's the weekend!", "It's a weekday.") gives It's the weekend! if the the weekday number is 1 or 7, or It's a weekday. otherwise.

See also: IN(), LIST(), TODAY(), WEEKDAY().

Syntax

IF(is-true?then-do-this, else-do-this)

  • is-true? -  A Yes/No expression that evaluates to TRUE or FALSE.
  • then-do-this - An expression to be evaluated only if the is-true? expression evaluates as TRUE.
  • else-do-this - An expression to be evaluated only if the is-true? expression evaluates as FALSE.

Both then-do-this and else-do-this should produce results of comparable types (for example, both textual, or both numeric). The results may both be single values or lists.

See also

IFS()

SWITCH()

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