Index: Include/Classes/System/Math.ab
===================================================================
--- Include/Classes/System/Math.ab	(revision 123)
+++ Include/Classes/System/Math.ab	(revision 124)
@@ -147,5 +147,5 @@
 		End If
 
-		Return Math.Sin((_System_HalfPI - Abs(x)) As Double)
+		Return Math.Sin((_System_HalfPI - Math.Abs(x)) As Double)
 	End Function
 
@@ -520,5 +520,5 @@
 
 	Static Function Sinh(x As Double) As Double
-		If Abs(x) > _System_EPS5 Then
+		If Math.Abs(x) > _System_EPS5 Then
 			Dim t As Double
 			t = Exp(x)