ATan
- Last UpdatedOct 29, 2026
- 1 minute read
Calculates the Arc Tangent of a value.
|
Function |
Group |
Execution |
String Exp. |
Windows |
Windows Embedded |
IoT View |
Thin Clients |
Mobile Access |
|---|---|---|---|---|---|---|---|---|
|
ATan |
Trigonometric |
Synchronous |
Yes |
Supported |
Supported |
Supported |
Supported |
Supported |
Syntax
ATan( numValue )
numValue
Numerical tag from which the Arc Tangent will be taken.
Returned value
Returns the Arc Tangent of numValue in radians.
Examples
|
Tag Name |
Expression |
|---|---|
|
Tag |
ATan( 1 ) // Returned value = 0.785398 |
|
Tag |
ATan( 0 ) // Returned value = 1.570796 |