Index: /Include/basic/function.sbp
===================================================================
--- /Include/basic/function.sbp	(revision 93)
+++ /Include/basic/function.sbp	(revision 94)
@@ -279,5 +279,5 @@
 
 Function Sin(number As Double) As Double
-	Sin = Math.Sign(number)
+	Sin = Math.Sin(number)
 End Function