Syntax

IMLN(complex_value)

Arguments

The printed syntax lists 1 argument(s), in order:

  • complex_value

“optional” marks an argument Google prints in square brackets; “repeatable” marks one Google prints with “…”.

Description from Google Docs Editors Help

“Returns the logarithm of a complex number, base e (Euler's number).”

Google’s help article for IMLN →

Source: Google Docs Editors Help, “Google Sheets function list” (support.google.com/docs/table/25273), record record 223 of 516, data fetched 28 September 2026. Data month: September 2026.