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ANS85 

The ATAN Function

The ATAN function returns a numeric value in radians that approximates the arctangent of argument-1. The type of this function is numeric.

General Format


*

Arguments

  1. Argument-1 must be class numeric.

Returned Values

  1. The returned value is the approximation of the arctangent of argument-1 and is greater than -pi/2 and less than +pi/2.
    Note: Conversion factors from radians to degrees and Gon (grad) are specified in the section Trigonometric Functions.
  2. Floating-point format is used for numeric non-integer results.
Parent topic: Definitions of Functions
Related information
Trigonometric Functions
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