[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'math' (#rtl)

tanh

Return hyperbolic tangent

Declaration

Source position: math.pp line 284

function tanh(

  x: float

):float;

Description

Tanh returns the hyperbolic tangent of x.

Errors

None.

See also

arcsin

  

Return inverse sine

sincos

  

Return sine and cosine of argument

arccos

  

Return inverse cosine

Example

Program Example48;

{ Program to demonstrate the Tanh function. }

Uses math;

begin
  writeln(tanh(0));
  writeln(tanh(1));
  writeln(tanh(-1));
end.
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