Open Object Rexx™: RxMath Math Functions Reference
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RxCalcArcTan()

>>-RxCalcArcTan(number--+--------------------------+--)--------><
                        |                 +--D--+  |
                        +--, precision, --+--R--+--+
                                          +--G--+

Returns the arctangent of number, where the result can be expressed in degree [D], radian [R], or grade [G] units.

Parameters:

number

The number for which the arctangent is to be calculated.

precision

The precision of the calculation. If a value is not specified, the precision of the calling Rexx activity is used. If the precision exceeds 16 digits, the call will fail.

D

Indicates that the result is expressed in degrees. This is the default.

R

Indicates that the result is expressed in radians.

G

Indicates that the result is expressed in grades.

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