![](dotnetdiagramimages/GrapeCity_Silverlight_CalcEngine_GrapeCity_CalcEngine_Functions_CalcAtanFunction.png)
'Declaration Public Class CalcAtanFunction Inherits CalcBuiltinFunction
'Usage Dim instance As CalcAtanFunction
public class CalcAtanFunction : CalcBuiltinFunction
System.Object
GrapeCity.CalcEngine.Functions.CalcFunction
GrapeCity.CalcEngine.Functions.CalcBuiltinFunction
GrapeCity.CalcEngine.Functions.CalcAtanFunction