HP Fortran Programmer's Reference (September 2007)

Intrinsic procedures
Intrinsic procedure specifications
Chapter 11 631
TAND(X)
Description
Tangent function in degrees.
Class
Elemental nonstandard function.
Argument
X must be of type real.
Result type/
type parameters
Same as X.
Result value
The result has a value equal to a processor-dependent approximation to tan(X).
Specific forms
DTAND, QTAND.
TANH(X)
Description
Hyperbolic tangent function.
Class
Elemental function.
Argument
X must be of type real.
Result type/
type parameters
Same as X.