Formualizer Docs
ReferenceFunctionsInformation Functions

ISFORMULA

ISFORMULA: Returns whether a value originates from a formula.

Summary

Current engine metadata does not track formula provenance at this call site.

Remarks

  • This implementation currently returns FALSE for all inputs.
  • Errors are not raised solely due to provenance unavailability.
  • Arity mismatch returns #VALUE!.

Examples

Literal value
Grid
CellValue
No inputs on Sheet1.
Formula
=
Result
Not evaluated yet.
Expected
false
Computed value in expression context
Grid
CellValue
No inputs on Sheet1.
Formula
=
Result
Not evaluated yet.
Expected
false

FAQ

Can ISFORMULA currently detect formula provenance?

Not yet. This implementation always returns FALSE because provenance metadata is not tracked here.

Runtime metadata

Category

Information

Signature

ISFORMULA(arg1: Any)

Arity

min 1, max 1

Arguments

arg1

Any · Scalar

Caps

PURE

Source

crates/formualizer-eval/src/builtins/info.rs

ISEVEN

ISEVEN: Returns TRUE if number is even.

ISLOGICAL

ISLOGICAL: Returns TRUE when the value is a boolean.

On this page

SummaryRemarksExamplesRelated functionsFAQCan ISFORMULA currently detect formula provenance?Runtime metadata