ATAN

Returns the arc tangent of expression x.

Format

ATAN(x)

Description

The returned value ranges from [ − π / 2 , π / 2 ] . Thus, − π / 2 ≤ A T A N ( x ) ≤ π / 2 .

Arguments

x
Any valid function expression.

Example

<Reference_Variable
     id                  = "1"
     label               = "ATAN Example"
     type                = "EXPRESSION"
     expr                = "ATAN(AY(569,193))"
/>