System.Ln

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Object Pascal

function Ln(const X: Extended): Extended;

C++

extern DELPHI_PACKAGE Extended __fastcall Ln(const Extended X);

Properties

Type Visibility Source Unit Parent
function public
System.pas
System.hpp
System System

Description

Returns the natural logarithm of a real expression.

In Object Pascal code, Ln returns the natural logarithm (Ln(e) = 1) of the real-type expression X.

See Also

Code Examples