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FALSE Function (LibreOffice Calc)

Logical Beginner LibreOffice Calc LibreOffice 3.0

The FALSE function in LibreOffice Calc returns the logical value FALSE. It is used in conditional formulas, comparisons, and boolean logic. Learn syntax, examples, and best practices.

Verification status: Consult the documentation and examples below. Native application testing has not been documented for this guide. How formula examples are checked

The **FALSE** function is a simple but essential logical constant in LibreOffice Calc. It always returns the boolean value FALSE. While basic, `FALSE` is widely used in conditional formulas, comparisons, boolean expressions, and as a clean, explicit way to represent a logical false value in spreadsheets.

This guide provides syntax, examples, usage patterns, and best practices, making it a complete reference for the FALSE function in LibreOffice Calc.

What the FALSE Function Does

  • Returns the logical value FALSE
  • Acts as a boolean constant in formulas
  • Works with IF, AND, OR, NOT, and XOR
  • Helps create readable, explicit logical expressions
  • Useful in validation rules and conditional formatting

It is designed to be simple, predictable, and universally compatible.

Syntax

FALSE()
The parentheses are optional. FALSE and FALSE() behave the same.

Basic Examples

Return the boolean value FALSE

=FALSE()

Always returns FALSE.

Use FALSE in an IF statement

=IF(A1 > 10; TRUE; FALSE)

Returns FALSE when A1 is not greater than 10.

FALSE as a condition in AND

=AND(FALSE; A1 > 0)

Always returns FALSE because one condition is FALSE.

FALSE as a condition in OR

=OR(FALSE; A1 > 0)

Returns TRUE only if A1 is greater than zero.

Advanced Examples

Use FALSE to simplify logic

=IF(A1 = "Active"; TRUE; FALSE)

Equivalent to:

=A1 = "Active"

FALSE with NOT

=NOT(FALSE)

Returns TRUE.

FALSE with XOR

=XOR(FALSE; A1 > 0)

Returns TRUE only when A1 > 0 is TRUE.

FALSE in data validation formulas

=AND(A1 <> ""; FALSE)

Always returns FALSE — useful for disabling a rule.

FALSE in conditional formatting

=FALSE()

Applies formatting to no cells.

Common Issues and Notes

FALSE is not text

Cells containing "FALSE" (with quotes) are text, not boolean values.

FALSE is case-insensitive

FALSE, False, and false all evaluate to the boolean FALSE.

FALSE cannot be overwritten as a function

Typing FALSE in a cell always produces the boolean value unless formatted as text.

FALSE vs 0

FALSE behaves like 0 in some contexts (e.g., multiplication), but they are not identical:

  • FALSE is a boolean
  • 0 is a number

Avoid mixing them unless intentional.

Best Practices

  • Use FALSE for clarity when writing logical expressions
  • Prefer FALSE over numeric equivalents like 0
  • Avoid quoting FALSE as text
  • Use FALSE in combination with AND, OR, and NOT for readable logic
  • Use FALSE() in conditional formatting to disable rules
FALSE is most useful when you want your formulas to be explicit and self‑documenting. It makes logic easier to read and maintain.
  • Use TRUE for the opposite boolean value
  • Use NOT(FALSE) to return TRUE
  • Use AND and OR to build multi‑condition logic
  • Use IF to return TRUE or FALSE based on a condition

By understanding how FALSE works and how it interacts with other logical functions, you can build clean, expressive, and reliable logic structures in LibreOffice Calc.

Reproducible example (tested in LibreOffice Calc)

This standalone example was calculated in LibreOffice Calc 25.2.3.2 and matched the expected value. It is a practical cross-check of one usage, not proof that every example elsewhere on this page is correct.

=FALSE()

Expected result: FALSE.

Return the Boolean value FALSE.

If the result differs, check the referenced cells, argument separators and number formatting. For more information, consult the LibreOffice Calc official help.