https://www.comfilewiki.co.kr/en/ 2026-05-27T17:38:52+00:00 https://www.comfilewiki.co.kr/en/ https://www.comfilewiki.co.kr/en/lib/exe/fetch.php?media=wiki:logo.png text/html 2026-02-20T15:37:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.comfilewiki.co.kr/en/doku.php?id=cubloc:atan:index&rev=1771601855&do=diff ATan The ATan function returns the arc tangent (also known as the inverse tangent) of a numeric value. It computes the angle whose tangent is equal to the specified number. This function is widely used in geometry, navigation, robotics, motion control, and general signal processing—any situation where an angle must be reconstructed from a ratio of two lengths or measurement values.