ReferenceFunctionsMath Functions

FACTDOUBLE

FACTDOUBLE: Returns the double factorial of a number.

Summary

Returns the double factorial of a number.

Examples

Odd double factorial

Grid

Cell	Value
No inputs on Sheet1.

Formula

=

Result

Not evaluated yet.

Expected

105

FAQ

What does FACTDOUBLE do with 0 or -1?

It returns 1, matching spreadsheet double-factorial conventions.

Runtime metadata

Category

Math

Signature

FACTDOUBLE(arg1: Number)

Arity

min 1, max 1

Arguments

arg1

Number · Scalar · coercion NumberLenientText

Caps

PURE

Source

crates/formualizer-eval/src/builtins/math/combinatorics.rs

FACT

Returns the factorial of a non-negative integer.

FLOOR

FLOOR: Rounds a number down to the nearest multiple of a significance.

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Summary Examples Related functions FAQ What does FACTDOUBLE do with 0 or -1?Runtime metadata