TH

Summary


th returns the hyperbolic tangent of its argument.

Syntax

   th( exp_num )

Parameters

Element

Description

Restrictions

exp_num

Numeric expression.

-184<=exp_num<=184

Examples

   Y = th(1/X)

Description and comments

th(X) returns sh(X)/ch(X).

th is the converse function of the function ath.

The type of result is Double.

Associated errors

Error

Description

ERMODE (10)

The argument is not of the numeric type.

ERHUGE (13)

| exp_num | > 184,89995462

Associated keywords

ASH - ATH - ACH - SH - CH


SUMMARY


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