| [Overview][Constants][Types][Classes][Procedures and functions][Index] | 
Return hyperbolic tangent
Source position: math.pp line 327
| function tanh( | 
| x: Float | 
| ):Float; | 
Tanh returns the hyperbolic tangent of x.
None.
| 
 | Return inverse sine | |
| 
 | Return sine and cosine of argument | |
| 
 | Return inverse cosine | 
Program Example48; { Program to demonstrate the Tanh function. } Uses math; begin writeln(tanh(0)); writeln(tanh(1)); writeln(tanh(-1)); end.