====== ACOSH ======

{{:en:mervis-ide:35-help:acosh.png}}

===== Function name =====

ACOSH

===== ST call =====

<code st-iec>
PROGRAM ACOSH_DEMO
 VAR
     REAL1,REAL2: REAL;
  END_VAR
 REAL2:= ACOSH(IN:=REAL1);
END_PROGRAM
</code>

===== Description =====

Returns value of the inverse function to hyperbolic cosine function.\\


===== Inputs =====

|Input|Type    |Description                            |
|IN   |ANY_REAL|Input value (bigger than or equal to 1)|

===== Outputs =====

|Output|Type    |Description |
|=>    |ANY_REAL|Output value|

===== Application example =====

{{:en:mervis-ide:35-help:acosh_example.png}}