## 9.3.18 ATAND (X)

Description: | Produces the arctangent of X.
Class: | Elemental function; Generic
Arguments: | X must be of type real and must be greater than or equal to zero.
Results: | The result type is the same as X and is expressed in degrees.

Specific Name | Argument Type | Result Type
--- | --- | ---
ATAND | REAL(4) | REAL(4)
DATAND | REAL(8) | REAL(8)
QATAND | REAL(16) | REAL(16)

Examples

ATAND (0.0874679) has the value 4.998819.

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