Oracle® Database SQL Language Reference 11g Release 2 (11.2) Part Number E17118-04 |
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TANH
returns the hyperbolic tangent of n
.
This function takes as an argument any numeric data type or any nonnumeric data type that can be implicitly converted to a numeric data type. If the argument is BINARY_FLOAT
, then the function returns BINARY_DOUBLE
. Otherwise the function returns the same numeric data type as the argument.
See Also:
Table 3-10, "Implicit Type Conversion Matrix" for more information on implicit conversionThe following example returns the hyperbolic tangent of .5:
SELECT TANH(.5) "Hyperbolic tangent of .5" FROM DUAL; Hyperbolic tangent of .5 ------------------------ .462117157