ReferenceFunctionsEngineering Functions

IMLOG10

IMLOG10: Returns the base-10 logarithm of a complex number.

Summary

Produces the principal complex logarithm in base 10.

Remarks

Input is coerced to complex-number text before parsing.
Returns #NUM! for zero input.
Invalid complex text returns #NUM!.

Examples

Base-10 log of a real value

Grid

Cell	Value
No inputs on Sheet1.

Formula

=

Result

Not evaluated yet.

Expected

1

FAQ

What branch of the logarithm does `IMLOG10` use?

It returns the principal complex logarithm (base 10), derived from principal argument atan2(imag, real).

Runtime metadata

Category

Engineering

Signature

IMLOG10(arg1: Any)

Arity

min 1, max 1

Arguments

arg1

Any · Scalar

Caps

PURE

Source

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

IMLN

IMLN: Returns the natural logarithm of a complex number.

IMLOG2

IMLOG2: Returns the base-2 logarithm of a complex number.

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Summary Remarks Examples Related functions FAQ What branch of the logarithm does IMLOG10 use?Runtime metadata