ATan Procedure

Returns the arctangent of dx.

Syntax

[ dResult = ] ATan ( dx )

The ATan procedure syntax has the following parts:

 

Name

Type

Description

dResult

Double

Result

dx

Val Double

Input value in radians

Comments

This procedure returns the arctangent of dx in radians in the range -PI/2 to +PI/2. To convert the result from radians to degrees, multiply it by 180/PI.

Example

dx = 3

df = ATan(dx)

! now dx is 3 and df is 1.24904577239825

See Also

ACos, ASin, Cos, CosH, PI, Sin, SinH, Tan, TanH